CN109567847A - Single Photron Emission Computed Tomograph machine - Google Patents
Single Photron Emission Computed Tomograph machine Download PDFInfo
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- CN109567847A CN109567847A CN201811477333.8A CN201811477333A CN109567847A CN 109567847 A CN109567847 A CN 109567847A CN 201811477333 A CN201811477333 A CN 201811477333A CN 109567847 A CN109567847 A CN 109567847A
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- 238000012935 Averaging Methods 0.000 claims description 5
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- 238000005516 engineering process Methods 0.000 description 4
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4411—Constructional features of apparatus for radiation diagnosis the apparatus being modular
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/48—Diagnostic techniques
- A61B6/481—Diagnostic techniques involving the use of contrast agents
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
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Abstract
The present invention relates to a kind of Single Photron Emission Computed Tomograph machines, comprising: the cooling equipment of rack is arranged in CT rack, for determining corresponding rack refrigerating mode based on the measurement result to CT machine frame inside temperature；Air-drive equipment is connect with the CT rack, for the CT rack to suspend in the sky, so that the height that the CT rack is suspended in 5 microns does relative motion；Contrast agent savings facility is arranged in the CT rack, the contrast agent needed for the CT rack to be stored in advance；Realtime Alerts equipment, for carrying out corresponding audio alert movement and light warning movement when receiving pregnant woman's identification instruction；The Realtime Alerts equipment is also used to when receiving non-pregnant woman's identification instruction, stops carrying out corresponding audio alert movement and light warning movement.Through the invention, orientation protecting human body mechanism is provided for CT machine equipment.
Description
Technical field
The present invention relates to CT machine equipment field more particularly to a kind of Single Photron Emission Computed Tomograph machines.
Background technique
CT English name Computed Tomography, i.e. CT scan, it is the X using Accurate collimation
Harness, gamma-rays, ultrasonic wave etc., a certain position that human body is surrounded together with the detector high with sensitivity are made one by one
The features such as profile scanning has sweep time fast, image clearly, can be used for the inspection of a variety of diseases；According to used ray
Difference can be divided into: X ray CT (X-CT), ultrasound computed tomography (UCT) and gamma-rays CT (γ-CT) etc..
Summary of the invention
In order to solve the technical issues of current CT machine equipment lacks orientation protecting human body mechanism, the present invention provides a kind of lists
Photon emits CT machine, and the size for the image segmentation block being proportional is determined based on the maximum amplitude of noise in image, to obtain
The identical each segmentation block of size；In order to save the operand of image procossing, to four of four corner image-regions of image
Strong degree carries out calculating of averaging, and to obtain the strong degree of whole image, and the strong degree based on whole image determines whether to hold
Mobile state range promotion processing；It is particularly critical, after targetedly image procossing, to around CT rack whether there is pregnant woman
It is identified, to carry out corresponding audio alert movement and light warning movement when identifying pregnant woman.
According to an aspect of the present invention, a kind of Single Photron Emission Computed Tomograph machine is provided, the CT machine includes:
Rack cools down equipment, is arranged in CT rack, for based on determining pair of the measurement result to CT machine frame inside temperature
The rack refrigerating mode answered；Air-drive equipment is connect with the CT rack, for the CT rack to suspend in the sky, is made
The height that the CT rack is suspended in 5 microns is obtained to do relative motion；Contrast agent savings facility is arranged in the CT rack,
The contrast agent needed for the CT rack to be stored in advance；Realtime Alerts equipment, for receive pregnant woman identify instruction when, into
The corresponding audio alert movement of row and light warning movement；The Realtime Alerts equipment is also used to refer to receiving non-pregnant woman identification
When enabling, stop carrying out corresponding audio alert movement and light warning movement；Full-color video camera, setting are used in CT rack side
Scene carries out full-color ray procedure where to CT rack, to obtain corresponding full-color photographed images；Divide block extract equipment, with
The full-color video camera connection, for receiving the full-color photographed images, to the amplitude of the noise in the full-color photographed images
It is analyzed to obtain maximum amplitude therein, the ruler for the image segmentation block being proportional is determined based on the maximum amplitude
It is very little, to obtain the identical each segmentation block of size, it is also used to choose described full-color for the identical each segmentation block of the size
It is located at four segmentation blocks of four corner locations in the full-color photographed images as four in each segmentation block in photographed images
Divide block in corner；Strong degree analyzing device is connect with the segmentation block extract equipment, for receiving four segmentations block, is obtained
Four strong degrees of four corner image-regions are carried out calculating of averaging by the strong degree for taking each corner segmentation block,
Exported using the mean value that will obtain as target strong degree, wherein obtain each corner segmentation block strong degree include: will be described
Divide strong degree of the shade distinctions value in block as corner segmentation block in corner；Immediately adjustment equipment, respectively with described point
Block extract equipment is cut to connect with the strong degree analyzing device, for receiving the target strong degree, and it is strong in the target
When degree is less than default strong degree numerical value, the lower order of strong degree is issued, and dynamic range is executed to the full-color photographed images and is mentioned
It rises, to obtain adjustment image immediately, and when the target strong degree is more than or equal to the default strong degree numerical value, issues strong
The higher order of earthquake intensity skips and executes dynamic range to the full-color photographed images and promoted, using the full-color photographed images as being
When adjustment image output；Profile evaluation apparatus connect with the Realtime Alerts equipment and the instant adjustment equipment respectively, is used for
The instant adjustment image is received, the human body contour outline in the instant adjustment image is identified, with the determination instant tune
It whether there is pregnant woman in whole image, identify that instruction is identified in instruction or non-pregnant woman accordingly to issue pregnant woman.
More specifically, in the Single Photron Emission Computed Tomograph machine: the segmentation block extract equipment, the strong degree analyzing device
It is attached between the instant adjustment equipment by 8 bit parallel data interfaces.
More specifically, in the Single Photron Emission Computed Tomograph machine: the instant adjustment equipment realized by digital processing chip,
Using the Harvard structure that program and data are separated inside the digital processing chip, there is hardware multiplier, grasped using assembly line
Make, provides various digital processing control instructions to realize various digital signal processing algorithms respectively.
More specifically, in the Single Photron Emission Computed Tomograph machine, further includes:
Configurationization filter apparatus, between the full-color video camera and the segmentation block extract equipment, for receiving
Full-color photographed images are stated, identify the resolution ratio of the full-color photographed images, are transfinited in the resolution ratio of the full-color photographed images
When, the wavelet filtering for executing corresponding dimension to the full-color photographed images based on the resolution ratio is handled, to obtain wavelet filtering
Image, the Wiener filtering for also executing corresponding number to the wavelet filtering image based on the resolution ratio are handled, to obtain and defeated
Configurationization filtering image out.
More specifically, in the Single Photron Emission Computed Tomograph machine: the configurationization filter apparatus is also used to full-color take the photograph described
When not transfiniting as the resolution ratio of image, the wavelet filtering for executing default dimension to the full-color photographed images is handled to obtain small echo
Filtering image executes the contrast filtering processing of preset times to wavelet filtering image to obtain configurationization filtering image, and will
The configurationization filtering image replaces the full-color photographed images and is sent to the segmentation block extract equipment.
More specifically, in the Single Photron Emission Computed Tomograph machine: described to be based on the resolution ratio to the full-color photographed images
The wavelet filtering processing for executing corresponding dimension includes: that the resolution ratio is higher, and the small echo executed to the full-color photographed images is filtered
The dimension of wave processing is bigger.
More specifically, in the Single Photron Emission Computed Tomograph machine, further includes:
Power line communications apparatus is connect with the configurationization filter apparatus, for receiving the configurationization filtering image, and
The configurationization filtering image is sent by power line.
More specifically, in the Single Photron Emission Computed Tomograph machine: the configurationization filter apparatus includes built-in storage unit, is used
In the storage wavelet filtering image and the configurationization filtering image.
More specifically, in the Single Photron Emission Computed Tomograph machine: in the built-in storage unit, the wavelet filtering image
It is respectively stored in the configurationization filtering image in two mutually isolated memory spaces.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the structural schematic diagram according to the CT rack of the Single Photron Emission Computed Tomograph machine shown in embodiment of the present invention.
Specific embodiment
The embodiment of Single Photron Emission Computed Tomograph machine of the invention is described in detail below with reference to accompanying drawings.
CT is to be scanned with X-ray beam to the certain thickness level in human body portion, is received by detector and penetrates the level
X-ray, after being changed into visible light, electric signal is become from photoelectric conversion, then switch to number through analog/digital converter, input
Computer disposal.The processing that image is formed is divided into the identical cuboid of several volumes, referred to as voxel just like to selected level.
Scanning gained information is computed and obtains the x-ray attenuation coefficient or absorption coefficient of each voxel, rearranges into square
Battle array, i.e., character matrix, character matrix can be stored in disk or CD.Through digital/analog converter every in character matrix
A number switchs to by the black small cube to the white gray scales such as not, i.e. pixel, and is arranged in a matrix, i.e. composition CT image.So CT schemes
It seem reconstruction image.The X-ray absorption coefficient of each voxel can be calculated by different mathematical methods.
In order to overcome above-mentioned deficiency, the present invention has built a kind of Single Photron Emission Computed Tomograph machine, can effectively solve the problem that corresponding skill
Art problem.
Fig. 1 is the structural schematic diagram according to the CT rack of the Single Photron Emission Computed Tomograph machine shown in embodiment of the present invention.
The Single Photron Emission Computed Tomograph machine shown according to an embodiment of the present invention includes:
Rack cools down equipment, is arranged in CT rack, for based on determining pair of the measurement result to CT machine frame inside temperature
The rack refrigerating mode answered；
Air-drive equipment is connect with the CT rack, for the CT rack to suspend in the sky, so that the CT machine
The height that frame is suspended in 5 microns does relative motion；
Contrast agent savings facility is arranged in the CT rack, the contrast agent needed for the CT rack to be stored in advance；
Realtime Alerts equipment, for carrying out corresponding audio alert movement and light when receiving pregnant woman's identification instruction
Actuation of an alarm；
The Realtime Alerts equipment is also used to stop carrying out corresponding audio alert when receiving non-pregnant woman's identification instruction
Movement and light warning movement；
Full-color video camera, setting is in CT rack side, for carrying out full-color ray procedure to scene where CT rack, to obtain
Obtain corresponding full-color photographed images；
Divide block extract equipment, connect with the full-color video camera, for receiving the full-color photographed images, to described complete
The amplitude of noise in color photographed images is analyzed to obtain maximum amplitude therein, based on the maximum amplitude determination and its
The size of directly proportional image segmentation block is also used to identical for the size with obtaining the identical each segmentation block of size
Each segmentation block is chosen and is located at four corners position in the full-color photographed images in the full-color photographed images in each segmentation block
The four segmentation blocks set divide block as four corners；
Strong degree analyzing device is connect with the segmentation block extract equipment, for receiving four segmentations block, is obtained every
Four strong degrees of four corner image-regions are carried out calculating of averaging by the strong degree of one corner segmentation block, will
The mean value of acquisition is exported as target strong degree, wherein the strong degree for obtaining each corner segmentation block includes: by the corner
Divide strong degree of the shade distinctions value as corner segmentation block in block；
Immediately adjustment equipment, connect, for connecing respectively with the segmentation block extract equipment and the strong degree analyzing device
The target strong degree is received, and when the target strong degree is less than default strong degree numerical value, issues the lower order of strong degree, and
Dynamic range is executed to the full-color photographed images to be promoted, to obtain adjustment image immediately, and it is big in the target strong degree
When being equal to the default strong degree numerical value, the higher order of strong degree is issued, skips and dynamic is executed to the full-color photographed images
Range is promoted, using the full-color photographed images as instant adjustment image output；
Profile evaluation apparatus is connect, for receiving respectively with the Realtime Alerts equipment and the instant adjustment equipment
Adjustment image immediately is stated, the human body contour outline in the instant adjustment image is identified, with the determination instant adjustment image
In whether there is pregnant woman, with accordingly issue pregnant woman identify instruction or non-pregnant woman identify instruction.
Then, continue that the specific structure of Single Photron Emission Computed Tomograph machine of the invention is further detailed.
In the Single Photron Emission Computed Tomograph machine: the segmentation block extract equipment, the strong degree analyzing device and it is described i.e.
When adjustment equipment between be attached by 8 bit parallel data interfaces.
In the Single Photron Emission Computed Tomograph machine: the instant adjustment equipment realized by digital processing chip, the number
The chip interior Harvard structure separated using program and data is handled, there is hardware multiplier, using pile line operation, is provided each
Kind digital processing control instruction to realize various digital signal processing algorithms respectively.
In the Single Photron Emission Computed Tomograph machine, further includes:
Configurationization filter apparatus, between the full-color video camera and the segmentation block extract equipment, for receiving
Full-color photographed images are stated, identify the resolution ratio of the full-color photographed images, are transfinited in the resolution ratio of the full-color photographed images
When, the wavelet filtering for executing corresponding dimension to the full-color photographed images based on the resolution ratio is handled, to obtain wavelet filtering
Image, the Wiener filtering for also executing corresponding number to the wavelet filtering image based on the resolution ratio are handled, to obtain and defeated
Configurationization filtering image out.
In the Single Photron Emission Computed Tomograph machine: the configurationization filter apparatus is also used to point in the full-color photographed images
When resolution does not transfinite, the wavelet filtering that the full-color photographed images execute default dimension is handled to obtain wavelet filtering image,
The contrast filtering processings of preset times is executed to obtain configurationization filtering image to wavelet filtering image, and by the configurationization
Filtering image replaces the full-color photographed images and is sent to the segmentation block extract equipment.
In the Single Photron Emission Computed Tomograph machine: described to execute corresponding dimension to the full-color photographed images based on the resolution ratio
Several wavelet filtering processing include: that the resolution ratio is higher, to the dimension for the wavelet filtering processing that the full-color photographed images execute
Number is bigger.
In the Single Photron Emission Computed Tomograph machine, further includes:
Power line communications apparatus is connect with the configurationization filter apparatus, for receiving the configurationization filtering image, and
The configurationization filtering image is sent by power line.
In the Single Photron Emission Computed Tomograph machine: the configurationization filter apparatus includes built-in storage unit, for storing
State wavelet filtering image and the configurationization filtering image.
In the Single Photron Emission Computed Tomograph machine: in the built-in storage unit, the wavelet filtering image and described matching
Setting filtering image is respectively stored in two mutually isolated memory spaces.
In addition, power line carrier communication is to carry out the one of voice or data transmission as information transmitting medium using power line
Kind specific communication mode.Power line is generally divided into high, normal, basic 3 class in power carrier field, usual high-voltage power line refer to 35kV and with
Upper voltage class, medium voltage power line refer to that 10kV voltage class, low-voltage distribution wire refer to 380/220V user's line.
Power line carrier (PLC, i.e. Power Line Carrier) is the distinctive communication mode of electric system, and power line carries
Wave communication refers to using existing power line, and analog or digital signal is carried out to the technology of high-speed transfer by carrier system.It is maximum
Feature is not need to set up network again, as long as live wire, can be carried out data transmitting.
Power line carrier technology breaches the limitation for being only limitted to single chip application, has come into digital times, and
With the continuous development of power line carrier technology and the needs of society, the technological development and application of medium/low piezoelectricity power carrier communication
Also there is situation in the ascendant.Power line carrier communication this by external medium be likened to the Kingsoft not being mined just gradually at
For a popular speciality of field of power communication.
Using Single Photron Emission Computed Tomograph machine of the invention, lack orientation protecting human body mechanism for CT machine equipment in the prior art
The technical issues of, determine the size for the image segmentation block being proportional, based on the maximum amplitude of noise in image to obtain ruler
Very little identical each segmentation block；It is strong to four of four corner image-regions of image in order to save the operand of image procossing
Earthquake intensity carries out calculating of averaging, and to obtain the strong degree of whole image, and the strong degree based on whole image determines whether to execute
Dynamic range promotion processing；It is particularly critical, after targetedly image procossing, to around CT rack whether there is pregnant woman into
Row identification, to carry out corresponding audio alert movement and light warning movement when identifying pregnant woman；To solve above-mentioned skill
Art problem.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (9)
1. a kind of Single Photron Emission Computed Tomograph machine characterized by comprising
Rack cools down equipment, is arranged in CT rack, corresponding for being determined based on the measurement result to CT machine frame inside temperature
Rack refrigerating mode；
Air-drive equipment is connect with the CT rack, for the CT rack to suspend in the sky, so that the CT rack is outstanding
The height for floating on 5 microns does relative motion；
Contrast agent savings facility is arranged in the CT rack, the contrast agent needed for the CT rack to be stored in advance；
Realtime Alerts equipment, for carrying out corresponding audio alert movement and light warning when receiving pregnant woman's identification instruction
Movement；
The Realtime Alerts equipment is also used to stop carrying out corresponding audio alert movement when receiving non-pregnant woman's identification instruction
It is acted with light warning；
Full-color video camera, setting is in CT rack side, for carrying out full-color ray procedure to scene where CT rack, with acquisition pair
The full-color photographed images answered；
Divide block extract equipment, connect with the full-color video camera, for receiving the full-color photographed images, full-color is taken the photograph to described
It is determining based on the maximum amplitude and it is at just as the amplitude of the noise in image is analyzed to obtain maximum amplitude therein
The size of the image segmentation block of ratio is also used to identical each for the size with obtaining the identical each segmentation block of size
Divide block, chooses and be located in the full-color photographed images four corner locations in the full-color photographed images in each segmentation block
Four segmentation blocks divide block as four corners；
Strong degree analyzing device is connect with the segmentation block extract equipment, for receiving four segmentations block, obtains each
The strong degree of block is divided in corner, carries out calculating of averaging to four strong degrees of four corner image-regions, will obtain
Mean value as target strong degree export, wherein obtain each corner segmentation block strong degree include: to divide the corner
Strong degree of the shade distinctions value as corner segmentation block in block；
Immediately adjustment equipment, connect, for receiving respectively with the segmentation block extract equipment and the strong degree analyzing device
Target strong degree is stated, and when the target strong degree is less than default strong degree numerical value, issues the lower order of strong degree, and to institute
It states full-color photographed images and executes dynamic range and promoted, to obtain adjustment image immediately, and be greater than in the target strong degree etc.
When the default strong degree numerical value, the higher order of strong degree is issued, skips and dynamic range is executed to the full-color photographed images
It is promoted, using the full-color photographed images as instant adjustment image output；
Profile evaluation apparatus is connect with the Realtime Alerts equipment and the instant adjustment equipment respectively, for receive it is described i.e.
When adjust image, to it is described it is instant adjustment image in human body contour outline identify, to be in the determination instant adjustment image
No there are pregnant woman, identify that instruction is identified in instruction or non-pregnant woman accordingly to issue pregnant woman.
2. Single Photron Emission Computed Tomograph machine as described in claim 1, it is characterised in that:
Pass through 8 parallel-by-bit numbers between the segmentation block extract equipment, the strong degree analyzing device and the instant adjustment equipment
It is attached according to interface.
3. Single Photron Emission Computed Tomograph machine as claimed in claim 2, it is characterised in that:
The instant adjustment equipment is realized by digital processing chip, using program and data point inside the digital processing chip
There is the Harvard structure opened hardware multiplier to provide various digital processing control instructions using pile line operation to realize respectively
Various digital signal processing algorithms.
4. Single Photron Emission Computed Tomograph machine as claimed in claim 3, which is characterized in that the CT machine further include:
Configurationization filter apparatus is described complete for receiving between the full-color video camera and the segmentation block extract equipment
Color photographed images identify the resolution ratio of the full-color photographed images, when the resolution ratio of the full-color photographed images transfinites, base
It is handled in the wavelet filtering that the resolution ratio executes corresponding dimension to the full-color photographed images, to obtain wavelet filtering image,
The Wiener filtering for also executing corresponding number to the wavelet filtering image based on the resolution ratio is handled, to obtain and export configuration
Change filtering image.
5. Single Photron Emission Computed Tomograph machine as claimed in claim 4, it is characterised in that:
The configurationization filter apparatus is also used to when the resolution ratio of the full-color photographed images does not transfinite, to the full-color camera shooting
The wavelet filtering that image executes default dimension is handled to obtain wavelet filtering image, executes preset times to wavelet filtering image
The configurationization filtering image is replaced the full-color photographed images to obtain configurationization filtering image by contrast filtering processing
It is sent to the segmentation block extract equipment.
6. Single Photron Emission Computed Tomograph machine as claimed in claim 5, it is characterised in that:
The wavelet filtering processing for executing corresponding dimension to the full-color photographed images based on the resolution ratio includes: described point
Resolution is higher, and the dimension handled the wavelet filtering that the full-color photographed images execute is bigger.
7. Single Photron Emission Computed Tomograph machine as claimed in claim 6, which is characterized in that the CT machine further include:
Power line communications apparatus is connect with the configurationization filter apparatus, for receiving the configurationization filtering image, and is passed through
Power line sends the configurationization filtering image.
8. Single Photron Emission Computed Tomograph machine as claimed in claim 7, it is characterised in that:
The configurationization filter apparatus includes built-in storage unit, for storing the wavelet filtering image and configurationization filter
Wave image.
9. Single Photron Emission Computed Tomograph machine as claimed in claim 8, it is characterised in that:
In the built-in storage unit, the wavelet filtering image and the configurationization filtering image are respectively stored in mutually
In two memory spaces of isolation.
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| CN201811477333.8A CN109567847A (en) | 2018-12-05 | 2018-12-05 | Single Photron Emission Computed Tomograph machine |
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| CN107933247A (en) * | 2017-11-16 | 2018-04-20 | 宁波隆翔环保科技有限公司 | A kind of bus |
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