CN112988308A - Teaching display method and device, teaching all-in-one machine and storage medium - Google Patents
Teaching display method and device, teaching all-in-one machine and storage medium Download PDFInfo
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- CN112988308A CN112988308A CN202110393160.7A CN202110393160A CN112988308A CN 112988308 A CN112988308 A CN 112988308A CN 202110393160 A CN202110393160 A CN 202110393160A CN 112988308 A CN112988308 A CN 112988308A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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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]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/0483—Interaction with page-structured environments, e.g. book metaphor
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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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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Abstract
The embodiment of the invention discloses a teaching display method, a device, a teaching all-in-one machine and a storage medium, wherein the teaching all-in-one machine comprises a main display screen and an extended display screen, and the method comprises the following steps: acquiring a multi-window split screen signal input by a user; and respectively dividing the main display screen and the expansion display screen into a plurality of independent display windows according to the multi-window split screen signal, wherein each display window displays an interface of an application program. According to the technical scheme of the embodiment of the invention, on the basis of the existing all-in-one machine, the mode of externally connecting the expansion screen is adopted, the all-in-one machine and the expansion screen are subjected to multi-windowing, and different applications are opened in different windows, so that the use of a user is greatly facilitated, and the user experience is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of teaching equipment, in particular to a teaching display method and device, a teaching all-in-one machine and a storage medium.
Background
At present, in the application field of touch education electronic whiteboard all-in-one machines, multimedia teaching is daily indispensable. Because the traditional blackboard teaching and electronic whiteboard all-in-one machine combined mode is mostly adopted in the current teaching system, the effect of combining pictures and texts in the teaching and learning process is realized, but the teaching system is at most a local teaching mode, the remote interaction in the teaching process cannot be well solved, and the teaching system becomes a big pain point of the current K12 education. In the teaching all-in-one machine, the device can start a plurality of application programs, but the interface size of each application program is different, and the positions can be overlapped.
Disclosure of Invention
The embodiment of the invention provides a teaching display method, a teaching display device, a teaching all-in-one machine and a storage medium, and aims to solve the technical problem that when a user watches a plurality of application programs simultaneously, the size and the position of an interface of the application program need to be frequently adjusted.
In a first aspect, an embodiment of the present invention provides a teaching display method, which is applied to a teaching all-in-one machine, where the teaching all-in-one machine includes a main display screen and an extended display screen, and the method includes:
acquiring a multi-window split screen signal input by a user;
and respectively dividing the main display screen and the expansion display screen into a plurality of independent display windows according to the multi-window split screen signal, wherein each display window displays an interface of an application program.
Optionally, the acquiring a multi-window split-screen signal input by a user includes:
and detecting a clicking operation of a user, wherein the clicking operation is used for dividing the main display screen into N independent display windows and then dividing the expanded display screen into N independent display windows, and N is a natural number greater than 1.
Optionally, the dividing the main display screen and the extended display screen into a plurality of independent display windows according to the multi-window split-screen signal includes:
and responding to the clicking operation, dividing the horizontal pixels of the main display screen into corresponding N equal parts, wherein each equal part corresponds to an independent display window, and dividing the horizontal pixels of the expanded display screen into corresponding N equal parts, and each equal part corresponds to an independent display window.
Optionally, after dividing the main display screen and the extended display screen into a plurality of independent display windows according to the multi-window split-screen signal, the method further includes:
acquiring the moving operation of a user on a first window;
and moving the interface of the application program in the first window to the second window according to the moving operation, and simultaneously switching the interface of the application program in the second window to the first window.
Optionally, the moving operation is an operation of dragging the first window into the second window.
Optionally, each display window displays an interface of an application program, including:
covering a menu window on each display window, selecting a specific application program in a menu file opening mode, reading a window handle of a current application program when the application program is opened, and utilizing a system API (application programming interface) through the captured window handle: SetWindowPos controls the currently opened application within a particular display window.
Optionally, the application program includes one or more of video, audio, picture, word, excel, PPT, pdf, a camera, a writable/erasable whiteboard page, and a browser.
In a second aspect, an embodiment of the present invention further provides a teaching display device, which is applied to a teaching all-in-one machine, where the teaching all-in-one machine includes a main display screen and an extended display screen, and the device includes:
the input unit is used for acquiring a multi-window split screen signal input by a user;
and the screen splitting unit is used for respectively splitting the main display screen and the expansion display screen into a plurality of independent display windows according to the multi-window screen splitting signal, and each display window displays an interface of an application program.
In a third aspect, an embodiment of the present invention further provides a teaching all-in-one machine, which includes a memory, a processor, and a computer program that is stored in the memory and can be run on the processor, and when the processor executes the computer program, the teaching display method described in any of the above embodiments is implemented.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the teaching display method described in any of the above embodiments.
According to the technical scheme of the embodiment of the invention, on the basis of the existing all-in-one machine, the mode of externally connecting the expansion screen is adopted, the all-in-one machine and the expansion screen are subjected to multi-windowing, and different applications are opened in different windows, so that the use of a user is greatly facilitated, and the user experience is improved.
Drawings
FIG. 1 is a schematic flow chart illustrating a teaching display method according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a multi-window split-screen display of the teaching all-in-one machine according to the first embodiment of the invention;
fig. 3 is a schematic structural diagram of a teaching display device according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a teaching all-in-one machine in the third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Furthermore, the terms "first," "second," and the like may be used herein to describe various orientations, actions, steps, elements, or the like, but the orientations, actions, steps, or elements are not limited by these terms. These terms are only used to distinguish one direction, action, step or element from another direction, action, step or element. For example, a first speed difference may be referred to as a second speed difference, and similarly, a second speed difference may be referred to as a first speed difference, without departing from the scope of the present application. The first speed difference and the second speed difference are both speed differences, but they are not the same speed difference. The terms "first", "second", etc. are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Example one
Fig. 1 is a schematic flowchart of a teaching display method according to an embodiment of the present invention, which is applicable to a teaching multimedia display situation. The method of the embodiment of the invention can be executed by a teaching display device which can be realized by software and/or hardware and can be generally integrated in a teaching integrated machine or a terminal device, wherein the teaching integrated machine comprises a main display screen and an extended display screen.
Referring to fig. 1, the teaching display method according to the embodiment of the present invention specifically includes the following steps:
and step S110, acquiring a multi-window split screen signal input by a user.
Specifically, in this embodiment, the teaching all-in-one machine is externally connected with an extended display screen on the basis of the original main display screen, an internal applicable operating system may be a Windows operating system or other operating systems, corresponding system software is installed in the teaching all-in-one machine, and the method of the embodiment of the present invention is implemented in a software code manner. After the user opens the teaching all-in-one machine, if the user needs to display different interfaces in a split screen mode, a multi-window split screen signal can be input in an input entry (such as a desktop shortcut mode, a top pull-down menu, a bottom taskbar button and the like) of the system software of the invention in a mouse click mode, a touch screen press mode and the like.
As an alternative embodiment, step S110 may be specifically detailed as: and detecting a clicking operation of a user, wherein the clicking operation is used for dividing the main display screen into N independent display windows and then dividing the expanded display screen into N independent display windows, and N is a natural number greater than 1. For example, the user sets the number N of display windows and the specific application opened in each window in a manner of pulling down a menu, and clicks a corresponding button with a mouse to input a multi-window split-screen signal to the system.
And step S120, dividing the main display screen and the expansion display screen into a plurality of independent display windows respectively according to the multi-window split screen signal, wherein each display window displays an interface of an application program.
For example, as shown in fig. 2, the number of display windows of the main display 1 set by the user is 2, the number of display windows of the extended display 2 is also 2, the system receives a multi-window split screen signal, divides the main display and the extended display into two independent display windows 11, 12, 21, and 22 according to the number of windows set by the user, each display window displays an interface of an application program, and simultaneously displays a menu bar 3 below the main display 1, so that the user can adjust the number of display windows and specific open applications in the menu bar 3, close system software, and so on.
As an alternative embodiment, step S120 may be specifically detailed as: and responding to the clicking operation, dividing the horizontal pixels of the main display screen into corresponding N equal parts, wherein each equal part corresponds to an independent display window, and dividing the horizontal pixels of the expanded display screen into corresponding N equal parts, and each equal part corresponds to an independent display window. For example, the number of the display windows of the split screen is set to 2 by the user, after the mouse click operation of the user is received, the display windows are divided into corresponding halves according to the horizontal pixels of the main display screen, each half corresponds to an independent display window, and then the display windows are divided into corresponding halves according to the horizontal pixels of the expanded display screen, and each half corresponds to an independent display window.
In this embodiment, each display window displays an interface of an application program, including: covering a menu window on each display window, selecting a specific application program in a menu file opening mode, reading a window handle of a current application program when the application program is opened, and utilizing a system API (application programming interface) through the captured window handle: SetWindowPos controls the currently opened application within a particular display window. The application programs include video, audio, pictures, word, excel, PPT, pdf, a camera, a writable/erasable whiteboard page, a browser and other common computer applications, and the applications in the windows can realize mutual exchange and information intercommunication.
As an alternative embodiment, after step S120, the method may further include: acquiring the moving operation of a user on a first window; and moving the interface of the application program in the first window to the second window according to the moving operation, and simultaneously switching the interface of the application program in the second window to the first window. For example, the moving operation is an operation of dragging the first window into the second window. The first window and the second window can be switched by triggering an event that the applications of the first window and the second window are interchanged when the first window is positioned at the position where the left mouse button is pressed and dragged to the second window, so that the applications in the first window and the second window are switched.
As an optional embodiment, the browser is supported in the independent window of this embodiment, and the specific independent window opens the browser, so that the system can be compatible with any software such as a third-party video conference developed by using a B/S framework in a very good manner through the browser, and the system can well support the purpose of online teaching.
According to the technical scheme of the embodiment of the invention, on the basis of the existing all-in-one machine, the mode of externally connecting the expansion screen is adopted, the all-in-one machine and the expansion screen are subjected to multi-windowing, and different applications are opened in different windows, so that the use of a user is greatly facilitated, and the user experience is improved.
Example two
The teaching display device provided by the embodiment of the invention can execute the teaching display method provided by any embodiment of the invention, has corresponding functional modules and beneficial effects of the execution method, can be realized in a software and/or hardware (integrated circuit) mode, and can be generally integrated in a teaching all-in-one machine or a terminal device, wherein the teaching all-in-one machine comprises a main display screen and an extended display screen. Fig. 3 is a schematic structural diagram of a teaching display device according to a second embodiment of the present invention. Referring to fig. 3, the teaching display device 200 according to the embodiment of the present invention may specifically include:
an input unit 210, configured to obtain a multi-window split-screen signal input by a user;
a screen splitting unit 220, configured to split the main display screen and the extended display screen into multiple independent display windows according to the multi-window screen splitting signal, where each display window displays an interface of an application program.
Optionally, the input unit 210 is further configured to detect a click operation of a user, where the click operation is used to divide the main display screen into N independent display windows and then divide the extended display screen into N independent display windows, where N is a natural number greater than 1.
Optionally, the screen splitting unit 220 is further configured to, in response to the click operation, divide the horizontal pixels of the main display screen into corresponding N equal divisions, each equal division corresponding to an independent display window, and divide the horizontal pixels of the extended display screen into corresponding N equal divisions, each equal division corresponding to an independent display window.
Optionally, the apparatus 200 further includes:
the operation unit is used for acquiring the moving operation of a user on the first window;
and the moving unit is used for moving the interface of the application program in the first window to the second window according to the moving operation and simultaneously switching the interface of the application program in the second window to the first window.
Optionally, the moving operation is an operation of dragging the first window into the second window.
Optionally, each display window displays an interface of an application program, including:
covering a menu window on each display window, selecting a specific application program in a menu file opening mode, reading a window handle of a current application program when the application program is opened, and utilizing a system API (application programming interface) through the captured window handle: SetWindowPos controls the currently opened application within a particular display window.
Optionally, the application program includes one or more of video, audio, picture, word, excel, PPT, pdf, a camera, a writable/erasable whiteboard page, and a browser.
According to the technical scheme of the embodiment of the invention, on the basis of the existing all-in-one machine, the mode of externally connecting the expansion screen is adopted, the all-in-one machine and the expansion screen are subjected to multi-windowing, and different applications are opened in different windows, so that the use of a user is greatly facilitated, and the user experience is improved.
EXAMPLE III
Fig. 4 is a schematic structural diagram of a teaching machine according to a third embodiment of the present invention, and as shown in fig. 4, the teaching machine includes a processor 310, a memory 320, an input device 330, and an output device 340; the number of the processors 310 in the teaching machine can be one or more, and one processor 310 is taken as an example in fig. 4; the processor 310, the memory 320, the input device 330, and the output device 340 in the teaching kiosk may be connected by a bus or other means, and fig. 4 illustrates an example of a bus connection.
The memory 320 is a computer-readable storage medium for storing software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the teaching display method in the embodiment of the present invention (e.g., the input unit 210 and the split screen unit 220 in the teaching display device). The processor 310 executes various functional applications and data processing of the teaching integrated machine by running software programs, instructions and modules stored in the memory 320, so as to realize the teaching display method.
Namely:
acquiring a multi-window split screen signal input by a user;
and respectively dividing the main display screen and the expansion display screen into a plurality of independent display windows according to the multi-window split screen signal, wherein each display window displays an interface of an application program.
Of course, the processor of the teaching all-in-one machine provided in the embodiment of the present invention is not limited to execute the method operations described above, and may also execute the related operations in the teaching display method provided in any embodiment of the present invention.
The memory 320 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 320 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, memory 320 may further include memory located remotely from processor 310, which may be connected to the teach pendant via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 330 may be used to receive input numeric or character information and generate key signal inputs relating to user settings and function controls of the teach pendant. The output device 340 may include a display device such as a display screen.
According to the technical scheme of the embodiment of the invention, on the basis of the existing all-in-one machine, the mode of externally connecting the expansion screen is adopted, the all-in-one machine and the expansion screen are subjected to multi-windowing, and different applications are opened in different windows, so that the use of a user is greatly facilitated, and the user experience is improved.
Example four
An embodiment of the present invention further provides a storage medium containing computer-executable instructions, where the computer-executable instructions are executed by a computer processor to perform a teaching display method applied to a teaching all-in-one machine, where the teaching all-in-one machine includes a main display screen and an extended display screen, and the method includes:
acquiring a multi-window split screen signal input by a user;
and respectively dividing the main display screen and the expansion display screen into a plurality of independent display windows according to the multi-window split screen signal, wherein each display window displays an interface of an application program.
Of course, the storage medium provided by the embodiment of the present invention contains computer-executable instructions, and the computer-executable instructions are not limited to the operations of the method described above, and may also execute the related operations in the teaching display method provided by any embodiment of the present invention.
The computer-readable storage media of embodiments of the invention may take any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, Delphi, C #, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or terminal. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
According to the technical scheme of the embodiment of the invention, on the basis of the existing all-in-one machine, the mode of externally connecting the expansion screen is adopted, the all-in-one machine and the expansion screen are subjected to multi-windowing, and different applications are opened in different windows, so that the use of a user is greatly facilitated, and the user experience is improved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A teaching display method is applied to a teaching all-in-one machine, the teaching all-in-one machine comprises a main display screen and an extension display screen, and the method comprises the following steps:
acquiring a multi-window split screen signal input by a user;
and respectively dividing the main display screen and the expansion display screen into a plurality of independent display windows according to the multi-window split screen signal, wherein each display window displays an interface of an application program.
2. The instructional display method of claim 1, wherein said obtaining a multi-window split-screen signal input by a user comprises:
and detecting a clicking operation of a user, wherein the clicking operation is used for dividing the main display screen into N independent display windows and then dividing the expanded display screen into N independent display windows, and N is a natural number greater than 1.
3. The instructional display method of claim 2, wherein the dividing the main display and the extended display into a plurality of independent display windows according to the multi-window split screen signal comprises:
and responding to the clicking operation, dividing the horizontal pixels of the main display screen into corresponding N equal parts, wherein each equal part corresponds to an independent display window, and dividing the horizontal pixels of the expanded display screen into corresponding N equal parts, and each equal part corresponds to an independent display window.
4. The instructional display method of claim 1, further comprising, after dividing the main display and the extended display into a plurality of independent display windows according to the multi-window split signal, respectively:
acquiring the moving operation of a user on a first window;
and moving the interface of the application program in the first window to the second window according to the moving operation, and simultaneously switching the interface of the application program in the second window to the first window.
5. The instructional display method of claim 4 wherein said moving operation is an operation of dragging said first window into said second window.
6. The instructional display method of claim 1 wherein each display window displays an application interface comprising:
covering a menu window on each display window, selecting a specific application program in a menu file opening mode, reading a window handle of a current application program when the application program is opened, and utilizing a system API (application programming interface) through the captured window handle: SetWindowPos controls the currently opened application within a particular display window.
7. The instructional display method of claim 1 wherein said application comprises one or more of video, audio, picture, word, excel, PPT, pdf, camera, writable/erasable whiteboard page, browser.
8. The utility model provides a teaching display device which characterized in that is applied to the teaching all-in-one, the teaching all-in-one includes a main display screen and an extension display screen, and the device includes:
the input unit is used for acquiring a multi-window split screen signal input by a user;
and the screen splitting unit is used for respectively splitting the main display screen and the expansion display screen into a plurality of independent display windows according to the multi-window screen splitting signal, and each display window displays an interface of an application program.
9. An all-in-one machine for teaching, comprising a memory, a processor and a computer program stored on the memory and operable on the processor, wherein the processor implements a teaching display method according to any of claims 1-7 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the instructional display method according to any one of claims 1 to 7.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114546234A (en) * | 2022-02-22 | 2022-05-27 | 通彩视听科技(上海)有限公司 | Method, device, equipment and medium for adding multimedia objects to electronic whiteboard |
| CN114579070A (en) * | 2022-02-18 | 2022-06-03 | 联宝(合肥)电子科技有限公司 | Multi-display control method, device, equipment and storage medium |
| CN114743420A (en) * | 2022-04-27 | 2022-07-12 | 广东职业技术学院 | English text auxiliary teaching method and system |
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