CN109063561A - The identification calculation method and device of formula - Google Patents
The identification calculation method and device of formula Download PDFInfo
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- CN109063561A CN109063561A CN201810691934.2A CN201810691934A CN109063561A CN 109063561 A CN109063561 A CN 109063561A CN 201810691934 A CN201810691934 A CN 201810691934A CN 109063561 A CN109063561 A CN 109063561A
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- formula
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- target information
- calculation method
- identification
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/40—Document-oriented image-based pattern recognition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
Abstract
This application discloses the identification calculation methods and device of a kind of formula.This method comprises: obtaining target information, wherein include formula to be calculated in target information；Target information is identified, identifies formula to be calculated；It treats calculation formula to be calculated, obtains calculated result, wherein calculated result, which includes at least, calculates step；Export calculated result.By the application, the application for solving the problems, such as that formula calculates in the related technology is only exported as a result, being unfavorable for user's deep learning.
Description
Technical field
This application involves formula manipulation fields, in particular to the identification calculation method and device of a kind of formula.
Background technique
In the related art, the application that most of formula calculates, can only provide the function of keyboard input, equations, drawing
Energy (or wherein several combinations).For the application that formula in the related technology calculates, the application calculated there are formula is only defeated
Out as a result, the problem of being unfavorable for user's deep learning.And it is directed to above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The application provides the identification calculation method and device of a kind of formula, to solve the application that formula calculates in the related technology
Only output is as a result, the problem of being unfavorable for user's deep learning.
According to the one aspect of the application, a kind of identification calculation method of formula is provided.This method comprises: obtaining target
Information, wherein include formula to be calculated in the target information；The target information is identified, is identified described wait count
Calculate formula；The formula to be calculated is calculated, calculated result is obtained, wherein the calculated result, which includes at least, calculates step
Suddenly；Export the calculated result.
Optionally, the target information includes at least one of: pictorial information, handwriting instructions information, keyboard instruction letter
Breath.
Optionally, the target information is identified, identifies that the formula to be calculated includes: to the target information
It is identified；In the case where the target information identifies successfully, the formula to be calculated is identified；Know in the target information
Not Shi Bai in the case where, acquisition carried out identifying resulting multiple predictor formulas by target information, it is true from multiple predictor formulas
The fixed formula to be calculated.
Optionally, after obtaining the formula to be calculated, the method also includes: it detects whether to receive described in click
The click commands of character in formula to be calculated, wherein include multiple characters in the formula to be calculated；If receiving the point
Instruction is hit, the character that the click commands are clicked is as character to be modified；It shows corresponding with the character to be modified
Multiple prediction characters；Target character is determined from the multiple prediction character, is replaced with the target character described to be modified
Character.
Optionally, if the calculated result is calculated by a variety of calculation methods, exporting the calculated result includes: display
More solution lists, wherein more solution lists include a variety of calculation methods and the corresponding calculating step of every kind of calculation method；
The selection target calculation method from a variety of calculation methods；Show the corresponding calculating step of the target calculation method.
According to the another aspect of the application, a kind of identification computing device of formula is provided.The device includes: the first acquisition
Unit, for obtaining target information, wherein include formula to be calculated in the target information；Recognition unit, for the mesh
Mark information is identified, identifies the formula to be calculated；Second acquisition unit, based on being carried out to the formula to be calculated
It calculates, obtains calculated result, wherein the calculated result, which includes at least, calculates step；Output unit, for exporting the calculating knot
Fruit.
Optionally, the target information includes at least one of: pictorial information, handwriting instructions information, keyboard instruction letter
Breath.
Optionally, the recognition unit includes: identification module, for identifying to the target information；First obtains
Module, for identifying the formula to be calculated in the case where the target information identifies successfully；Second obtains module, uses
In in the case where the target information recognition failures, acquisition is carried out identifying resulting multiple predictor formulas by target information, from
Multiple predictor formulas determine the formula to be calculated.
To achieve the goals above, according to the another aspect of the application, a kind of storage medium, the storage medium are provided
Program including storage, wherein described program executes the identification calculation method of formula described in above-mentioned any one.
To achieve the goals above, according to the another aspect of the application, a kind of processor is provided, the processor is used for
Run program, wherein described program executes the identification calculation method of formula described in above-mentioned any one when running.
By the application, using following steps: obtaining target information, wherein include public affairs to be calculated in the target information
Formula；The target information is identified, identifies the formula to be calculated；The formula to be calculated is calculated, is obtained
Calculated result, wherein the calculated result, which includes at least, calculates step；The calculated result is exported, is solved in the related technology
The application that formula calculates only exports as a result, the problem of being unfavorable for user's deep learning.And then reaches and enabled formula calculating application can
To show calculating process, the effect of the specific calculating step of formula is understood convenient for user.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, the schematic reality of the application
Example and its explanation are applied for explaining the application, is not constituted an undue limitation on the present application.In the accompanying drawings:
Fig. 1 is the flow chart according to the identification calculation method of formula provided by the embodiments of the present application；
Fig. 2 is according to a kind of flow chart of the identification calculation method of optional formula provided by the embodiments of the present application；And
Fig. 3 is the schematic diagram according to the identification computing device of formula provided by the embodiments of the present application.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
According to an embodiment of the present application, a kind of identification calculation method of formula is provided.
Fig. 1 is the flow chart according to the identification calculation method of the formula of the embodiment of the present application.As shown in Figure 1, this method packet
Include following steps:
Step S101 obtains target information, wherein includes formula to be calculated in target information.
For the complexity of formula, the lower problem of input efficiency will lead to using keyboard input formula.Optionally, at this
In the identification calculation method for applying for the formula that embodiment provides, target information includes at least one of: pictorial information, hand-written finger
Enable information, keyboard instruction information.By increasing the formal category of the acquisition information of formula, reach the convenience journey for improving Formula Input Technology
Degree, increases the technical effect of user experience.
As an optional example, based on electronic whiteboard, as shown in Fig. 2, the acquisition source of formula can be with are as follows: electricity
Sub- blank obtains the handwriting instructions information of handwritten formula, electronic whiteboard obtains formula info, electronic whiteboard on picture/PPT and obtains
The keyboard instruction information for the keyboard input for taking its electronic whiteboard to connect.
Wherein, in the formula info on electronic whiteboard identification picture/PPT, in order to reduce the workload of electronic whiteboard, together
When reduce blank handle picture/PPT recognition time, circle choosing can be carried out on picture/PPT, enable electronic whiteboard to by circle select
Picture/PPT part carry out discriminance analysis.
Wherein, it when inputting formula by keyboard, in order to enable the formula of input be placed in target area, optionally, chooses
Target area, wherein target area is used to show the formula to be calculated of input；Keyboard instruction information is obtained, wherein keyboard instruction
Information includes formula to be calculated；Formula to be calculated is shown in target area according to keyboard instruction information.
Step S102, identifies target information, identifies formula to be calculated.
In order to guarantee the discrimination of target information, optionally, in the identification calculating side of formula provided by the embodiments of the present application
In method, target information is identified, identifies that formula to be calculated includes: to identify to target information；Know in target information
In not successful situation, formula to be calculated is identified；In the case where target information recognition failures, acquisition is carried out by target information
It identifies resulting multiple predictor formulas, determines formula to be calculated from multiple predictor formulas.
In the related art, it after identifying formula failure, often needs to reacquire target information, be recognized.But
Be secondary identification success rate with first time identification success rate it is identical, be not improved, it is thus possible to cause repeatedly to identify
The case where formula to be calculated can not be still obtained after target information generation.
In view of the above-mentioned problems, the application is by the way that in the case where target information recognition failures, acquisition is carried out by target information
It identifies resulting multiple predictor formulas, determines formula to be calculated from multiple predictor formulas.It is reached for user and multiple predictions public affairs is provided
Formula enables user that can select the technical effect of formula to be calculated from multiple predictor formulas.
It should be understood that even if in multiple predictor formulas do not include formula to be calculated, user still can choose with wait count
The most like calculation formula of formula is calculated, and then is modified to most like calculation formula, the mesh for obtaining formula to be calculated is reached
's.
For the above-mentioned demand to calculation formula modification, optionally, in the identification meter of formula provided by the embodiments of the present application
In calculation method, after obtaining formula to be calculated, this method further include: detect whether to receive the word clicked in formula to be calculated
The click commands of symbol, wherein include multiple characters in formula to be calculated；If receiving click commands, it will click on what instruction was clicked
Character is as character to be modified；Show multiple prediction characters corresponding with character to be modified；From multiple prediction characters really
Set the goal character, and character to be modified is replaced with target character.
By detection click commands, reach technical effect that is accurate and directly determining font change character to be repaired, and this is also key
The technical effect that disk is unable to reach.In addition, showing multiple prediction characters after determining font change character to be repaired, having reached and enabled user can
To select correct target character from multiple prediction characters, and then calculation formula is modified, obtains correct formula to be calculated
Technical effect.
It should be understood that there is the case where not including correct target character in prediction character in above-mentioned technical proposal,
And it is directed to the above-mentioned situation being likely to occur, as shown in Fig. 2, optionally, being calculated in the identification of formula provided by the embodiments of the present application
In method, keyboard instruction information is obtained, according to keyboard instruction acquisition of information target character, is altered so that target character replacement is to be repaired
Symbol.Similarly, optionally, in the identification calculation method of formula provided by the embodiments of the present application, handwriting instructions information, foundation are obtained
Handwriting instructions acquisition of information target character replaces font change character to be repaired with target character.
It should be understood that the case where lacking character for calculation formula, optionally, in public affairs provided by the embodiments of the present application
In the identification calculation method of formula, the blank parts for lacking character are determined, and then input target character in blank space.
To sum up, and then by above-mentioned a variety of modification modes, the application has reached the technical effect of efficient modification calculation formula,
User experience is greatly improved.
It should be understood that identify to target information can be with are as follows: optical character identification is carried out to target information, to obtain
Letter, symbol, number and its location information are taken, and then identifies formula to be calculated.
Step S103 treats calculation formula and is calculated, obtains calculated result, wherein calculated result, which includes at least, to be calculated
Step.
Step S104: output calculated result.
In the related art, the application that formula calculates only output as a result, and for complicated formula, user is only able to verify that public affairs
The calculated result of formula, but can not know that the calculating step of its formula namely user can not learn according to simple calculated result
To the processing mode of formula, extremely it is unfavorable for user's deep learning.
And simple calculated result is not only exported by the application, while also output obtains the calculating step of calculated result
Suddenly.And then reach the technical effect for helping user's deep learning.
In order to accurately obtain calculated result and calculate step, optionally, in the knowledge of formula provided by the embodiments of the present application
It in other calculation method, treats calculation formula and is calculated, obtaining calculated result includes: to obtain the corresponding default public affairs of formula to be calculated
Formula model；Calculation formula is treated according to preset formula model to be parsed, and is obtained and is calculated step and calculated result.
The case where being calculated for calculated result by a variety of calculation methods, optionally, provided by the embodiments of the present application
In the identification calculation method of formula, output calculated result, which includes: that display, solves list, wherein more solution lists include a variety of calculating
Method and the corresponding calculating step of every kind of calculation method；The selection target calculation method from a variety of calculation methods；Displaying target
The corresponding calculating step of calculation method.
Formula to be calculated there will still likely be a variety of calculation methods for identical calculated result.For above situation, this Shen
It is detailed to illustrate a variety of calculabilities of formula to be calculated please by solving list more, enable user that can treat calculation formula
Deep rational learning is carried out, a variety of calculating thinkings of formula to be calculated are grasped.
It should be noted that there may be a kind of calculated results for formula to be calculated, it is also possible to there are a variety of calculated results,.
For above situation, more solution lists of the application also include a variety of calculated results and the corresponding calculating step of every kind of calculated result
Suddenly, deep rational learning is carried out so that user treats calculation formula.
As an optional example, as shown in Fig. 2, in the identification calculation method of formula provided by the embodiments of the present application
In, output calculated result, which includes: that display, solves list, wherein more solution lists include a variety of calculation methods and every kind of calculating side
The corresponding teaching figure of method, wherein teaching figure understands its corresponding calculation method for assisting；It is selected from a variety of calculation methods
Select target calculation method；The corresponding teaching figure of displaying target calculation method.Wherein, teaching figure can be X-Y scheme, three
Tie up figure etc..
By display impart knowledge to students figure, reached enable user more intuitively profoundly understand formula to be calculated calculating step and
Calculated result treats calculation formula convenient for user and carries out deep learning.
For more humanized auxiliary user, optionally, in the identification calculating side of formula provided by the embodiments of the present application
In method, after selection target calculation method in a variety of calculation methods, this method further include: detect whether to receive printing mesh
The print command for marking calculation method prints the calculating knot of formula to be calculated, target calculation method after receiving print command
Fruit, the calculating step of target calculation method, target calculation method teaching figure.
For more humane auxiliary user, optionally, in the identification calculation method of formula provided by the embodiments of the present application
In, after selection target calculation method in a variety of calculation methods, this method further include: detect whether to receive downloading/beat
The download instruction for printing target calculation method, after receiving download instruction, display downloading two dimensional code, wherein downloading two dimensional code is used
In recording formula to be calculated, the calculated result of target calculation method, the calculating step of target calculation method, target calculation method
Teaching figure.
The identification calculation method of formula provided by the embodiments of the present application, by obtaining target information, wherein in target information
Including formula to be calculated；Target information is identified, identifies formula to be calculated；It treats calculation formula to be calculated, obtain
Calculated result, wherein calculated result, which includes at least, calculates step；Calculated result is exported, solves formula calculating in the related technology
Application only output as a result, the problem of being unfavorable for user's deep learning.And then reaches and enabled formula calculating application that can show meter
Calculation process understands the effect of the specific calculating step of formula convenient for user.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not
The sequence being same as herein executes shown or described step.
The embodiment of the present application also provides a kind of identification computing devices of formula, it should be noted that the embodiment of the present application
The identification computing device of formula can be used for executing the identification calculation method that formula is used for provided by the embodiment of the present application.With
Under the identification computing device of formula provided by the embodiments of the present application is introduced.
Fig. 3 is the schematic diagram according to the identification computing device of the formula of the embodiment of the present application.As shown in figure 3, the device packet
It includes: first acquisition unit 31, recognition unit 32, second acquisition unit 33 and output unit 34.
First acquisition unit 31, for obtaining target information, wherein include formula to be calculated in target information.
Recognition unit 32 identifies formula to be calculated for identifying to target information.
Second acquisition unit 33 is calculated for treating calculation formula, obtains calculated result, wherein calculated result is extremely
Few includes calculating step.
Output unit 34, for exporting calculated result.
Optionally, in the identification computing device of formula provided by the embodiments of the present application, target information include it is following at least
One of: pictorial information, handwriting instructions information, keyboard instruction information.
Optionally, in the identification computing device of formula provided by the embodiments of the present application, recognition unit 32 includes: identification mould
Block, for being identified to target information；First obtains module, for identifying in the case where target information identifies successfully
Formula to be calculated；Second obtains module, in the case where target information recognition failures, acquisition to be identified by target information
Resulting multiple predictor formulas determine formula to be calculated from multiple predictor formulas.
Optionally, in the identification computing device of formula provided by the embodiments of the present application, the device further include: checklist
Member receives the click commands for clicking the character in formula to be calculated for detecting whether after obtaining formula to be calculated,
In, it include multiple characters in formula to be calculated；Determination unit, if will click on the word that instruction is clicked for receiving click commands
Symbol is as character to be modified；Display unit, for showing multiple prediction characters corresponding with character to be modified；Replacement is single
Member replaces character to be modified with target character for determining target character from multiple prediction characters.
Optionally, in the identification computing device of formula provided by the embodiments of the present application, if calculated result is by a variety of calculating
Method is calculated, and output unit 34 includes: the first display module, for showing more solution lists, wherein more solution lists include more
Kind calculation method and the corresponding calculating step of every kind of calculation method；Selecting module, for selecting mesh from a variety of calculation methods
Mark calculation method；Second display module is used for the corresponding calculating step of displaying target calculation method
The identification computing device of formula provided by the embodiments of the present application obtains target information by first acquisition unit 31,
It wherein, include formula to be calculated in target information；Recognition unit 32 identifies target information, identifies formula to be calculated；
Second acquisition unit 33 is treated calculation formula and is calculated, and calculated result is obtained, wherein calculated result, which includes at least, calculates step
Suddenly；Output unit 34 exports calculated result, solves the application that formula in the related technology calculates and only exports as a result, being unfavorable for user
The problem of deep learning, and then reached and formula is enabled to calculate using calculating process can be showed, the tool of formula is understood convenient for user
The effect of body calculating step.
The identification computing device of formula includes processor and memory, above-mentioned first acquisition unit 31, recognition unit 32,
Two acquiring units 33 and output unit 34 etc. store in memory as program unit, are stored in storage by processor execution
Above procedure unit in device realizes corresponding function.
Include kernel in processor, is gone in memory to transfer corresponding program unit by kernel.Kernel can be set one
Or more, calculating process can be showed by adjusting kernel parameter to enable formula calculate application, the tool of formula is understood convenient for user
Body calculates step.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, if read-only memory (ROM) or flash memory (flash RAM), memory include that at least one is deposited
Store up chip.
The embodiment of the invention provides a kind of storage mediums, are stored thereon with program, real when which is executed by processor
The identification calculation method of existing formula.
The embodiment of the invention provides a kind of processor, processor is for running program, wherein program executes public affairs when running
The identification calculation method of formula.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element
There is also other identical elements in process, method, commodity or equipment.
It will be understood by those skilled in the art that embodiments herein can provide as method, system or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application
Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The above is only embodiments herein, are not intended to limit this application.To those skilled in the art,
Various changes and changes are possible in this application.It is all within the spirit and principles of the present application made by any modification, equivalent replacement,
Improve etc., it should be included within the scope of the claims of this application.
Claims (10)
1. a kind of identification calculation method of formula characterized by comprising
Obtain target information, wherein include formula to be calculated in the target information；
The target information is identified, identifies the formula to be calculated；
The formula to be calculated is calculated, calculated result is obtained, wherein the calculated result, which includes at least, calculates step；
Export the calculated result.
2. the identification calculation method of formula according to claim 1, which is characterized in that the target information include with down toward
It is one of few: pictorial information, handwriting instructions information, keyboard instruction information.
3. the identification calculation method of formula according to claim 1, which is characterized in that know to the target information
Not, identify that the formula to be calculated includes:
The target information is identified；
In the case where the target information identifies successfully, the formula to be calculated is identified；
In the case where the target information recognition failures, acquisition is carried out identifying resulting multiple predictor formulas by target information,
The formula to be calculated is determined from multiple predictor formulas.
4. the identification calculation method of formula according to claim 1, which is characterized in that obtain the formula to be calculated it
Afterwards, the method also includes:
It detects whether to receive the click commands for clicking the character in the formula to be calculated, wherein in the formula to be calculated
Including multiple characters；
If receiving the click commands, the character that the click commands are clicked is as character to be modified；
Show multiple prediction characters corresponding with the character to be modified；
Target character is determined from the multiple prediction character, and the character to be modified is replaced with the target character.
5. the identification calculation method of formula according to claim 1, which is characterized in that if the calculated result is by a variety of meters
Calculation method is calculated, and exports the calculated result and includes:
Display solves list, wherein more solution lists include that a variety of calculation methods and every kind of calculation method are corresponding
Calculate step；
The selection target calculation method from a variety of calculation methods；
Show the corresponding calculating step of the target calculation method.
6. a kind of identification computing device of formula characterized by comprising
First acquisition unit, for obtaining target information, wherein include formula to be calculated in the target information；
Recognition unit identifies the formula to be calculated for identifying to the target information；
Second acquisition unit obtains calculated result, wherein the calculated result for calculating the formula to be calculated
Including at least calculating step；
Output unit, for exporting the calculated result.
7. the identification computing device of formula according to claim 6, which is characterized in that the target information include with down toward
It is one of few: pictorial information, handwriting instructions information, keyboard instruction information.
8. the identification computing device of formula according to claim 6, which is characterized in that the recognition unit includes:
Identification module, for being identified to the target information；
First obtains module, for identifying the formula to be calculated in the case where the target information identifies successfully；
Second obtains module, for obtaining and carrying out identification institute by target information in the case where the target information recognition failures
The multiple predictor formulas obtained, determine the formula to be calculated from multiple predictor formulas.
9. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein described program right of execution
Benefit require any one of 1 to 5 described in formula identification calculation method method.
10. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Benefit require any one of 1 to 5 described in formula identification calculation method method.
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| CN109948114A (en) * | 2019-03-20 | 2019-06-28 | 武汉轻工大学 | Arc length curve integrates automatic calculating method, equipment, storage medium and device |
| CN110348527A (en) * | 2019-07-16 | 2019-10-18 | 百度在线网络技术（北京）有限公司 | A kind of method for amalgamation processing of picture, device, equipment and storage medium |
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