CN107798936A - A kind of interactive computer teaching equipment for being easy to teachers and students' communication - Google Patents
A kind of interactive computer teaching equipment for being easy to teachers and students' communication Download PDFInfo
- Publication number
- CN107798936A CN107798936A CN201711240915.XA CN201711240915A CN107798936A CN 107798936 A CN107798936 A CN 107798936A CN 201711240915 A CN201711240915 A CN 201711240915A CN 107798936 A CN107798936 A CN 107798936A
- Authority
- CN
- China
- Prior art keywords
- actuator
- desk
- fluorescent tube
- heat transfer
- transfer agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
- G09B5/14—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations with provision for individual teacher-student communication
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
- A47B19/10—Reading-desks; Lecterns; Pulpits, i.e. free-standing characterised by association with auxiliary devices, e.g. paper clamps, line indicators
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
- A47C31/126—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
Abstract
The invention discloses a kind of interactive computer teaching equipment for being easy to teachers and students' communication, mainly include：Desk and interchanger, the interchanger are installed in house inner top corner, and the desk includes：Desk and chair, the desk include：LCDs, time writer, display screen actuator, tablet actuator, electromagnetic induction plate, microphone, fluorescent tube, fluorescent tube actuator, shooting actuator, camera, earphone, hook, fore shaft, fingerprint inductor, case lock, storage tank, heat transfer agent processor, PCL controllers, main frame, control panel；Structure of the present invention is novel, practical function, not only solves the difficulties in teaching in contemporary society, and provides Diversified Teaching mode for conventional teaching, adds the work and study interest of teacher and student.
Description
Technical field
The present invention relates to computer teaching equipment technical field, specifically it is related to and a kind of is easy to teachers and students' communication
Interactive computer teaching equipment.
Background technology
Education skill is the theoretical and real of the design on education resource and learning process, exploitation, use, management and evaluation
Trample.Education Technology is the important achievement of modern educational science development, and education skill participates in course of education, changes whole education
The pattern of process, the organization order of course of education is changed, change analysis and processing education, the thinking of problems in teaching.Education
Technology is of long standing and well established as an importance of educational activities, but people really use this term of education skill, and
Around it formed an independent knowledge hierarchy, then be the thing after 1960's, certainly it have an incubation period and
In growth period, that is at most also the thing in a nearly century.The continuous development of modern science and technology and modern education concept, enrich
The intension of education skill, assign its unlimited vitality.
On the classroom of university, public course is often had in the school timetable of student, public classroom is different from the small classroom of in general,
Number is more, and often the student of two or more classes is sitting in same classroom and listened to the teacher.Number is too many in classroom
The low grade a series of problems of the public classroom teaching efficiency of university can be caused, such as, the student being sitting in below does not see interior in projection
Hold, also do not hear if teacher says, the important interactive link on classroom is also difficult to carry out, and directly affects the effect of teaching.Separately
Outside, classroom student is too many, and teacher can not possibly take more time again may be listened not come work attendance of calling the roll, part classmate with attending class
Clear wait is used as the reasons why absent.Above-mentioned variety of problems discloses the drawbacks of traditional large-scale classroom, it would be highly desirable to which we go design a kind of suitable
Teaching system for large multimedia classroom.
The content of the invention
Problem to be solved by this invention is to provide a kind of tutoring system suitable for large multimedia classroom, to solve
The problem of being proposed in above-mentioned background technology.
The technical scheme is that：A kind of interactive computer teaching equipment for being easy to teachers and students' communication, main bag
Include：Desk and interchanger, the interchanger are installed in house inner top corner, and radio receiver is provided with interchanger with passing
Device is sent, the radio receiver includes with the desk, desk respectively with conveyer：Desk and chair, the desk
Including：LCDs, time writer, display screen actuator, tablet actuator, electromagnetic induction plate, microphone, fluorescent tube, fluorescent tube
Actuator, shooting actuator, camera, earphone, hook, fingerprint inductor, storage tank, heat transfer agent processor, PCL controls
Device, main frame, control panel, the LCDs install table surface, and the time writer on-fixed is installed on desk
Surface, the display screen actuator are installed at the top of LCDs, and the tablet actuator is installed on display screen actuator
Lower section, the electromagnetic induction plate are installed on below LCDs, and the microphone is installed on desk inner top, and the fluorescent tube erects
Directly it is installed on above desk, the fluorescent tube actuator is installed on fluorescent tube rear, and the shooting actuator installation fluorescent tube top is described
Camera is also installed on the top of fluorescent tube, and described link up with is installed in the middle part of the rear of fluorescent tube, and the earphone is arranged on hook, institute
State fingerprint inductor to be installed on outside desk, the storage tank is installed on inside desk, and the heat transfer agent processor is installed on PCL
Controller rear, and heat transfer agent processor is all located at storage tank bottom with PCL controllers, and the main frame is installed on
Heat transfer agent processor and PCL controllers bottom, the control panel are installed on the right side of desk；Chair includes：The chair back, rotating shaft,
Pressure sensor, information carrying means, the chair back are installed at the top of the rotating shaft, and the pressure sensor is installed on chair chair
Face surface, described information transmitting device are installed on below pressure sensor；PCL controllers are held with display screen respectively by data wire
Row device, tablet actuator, fluorescent tube actuator, shooting actuator, the connection of heat transfer agent processor, heat transfer agent processor pass through
Data wire is held with main frame, control panel, LCDs, camera, microphone, pressure sensor, display screen respectively
Row device is connected by data wire with LCDs, and tablet actuator is connected by data wire with electromagnetic induction plate, and fluorescent tube is held
Row device is connected by data wire with fluorescent tube, shooting actuator be connected by data wire with camera, heat transfer agent processor also with
Fingerprint inductor connects；Pressure sensor is connected by data wire with information carrying means；Camera image photography direction face
LCDs；Teacher and student enter exchanging for row image and language by microphone and camera, while teacher is led to student
Cross slip of the time writer in electromagnetic induction plate, by the information of writing by heat transfer agent processor be collected analysis after, obtain
To the desk for accordingly indicating or being transferred to teacher or classmate, and desk lamp is designed with each desk, protects teacher and student
Vision health.
Further, installation VC becomes Web-based instruction software and Metallographic Analysis software in the computer teaching equipment.
Further, processor, A/D converter, wireless STIM and blue-tooth device are provided with the PCL controllers, handled
Device is connected by data wire with A/D converter, and A/D converter is connected by wireless STIM with blue-tooth device.
Further, fore shaft is additionally provided with the storage tank to lock with case, the case lock is installed under the desk inner surface
Side, the fore shaft are installed on the case side of locking；Protect the personal effects of teacher and student safety.
Further, radio receiver and conveyer are provided with the interchanger, the radio receiver is with passing
Send device respectively with the blue-tooth device wireless connection；Realize that information real time bidirectional transmits.
The present invention operation principle be：Teacher is passed through PLC, PCL with student by control panel reception and registration instruction
Processor in controller by actuator connection corresponding to each element by controlling each executive component again after processing information
Work, each sensing element give the information real-time delivery received to heat transfer agent processor, and heat transfer agent processor has as follows
Function：
1. the image information for the electromagnetic induction plate that heat transfer agent processor can be collected into camera passes after handling
Pass other computers；
2. heat transfer agent processor passes to other computers after handling the acoustic information of microphone.
3. the finger print information that heat transfer agent processor is collected to fingerprint inductor is checked the switch for carrying out control cabinet lock；
4. heat transfer agent processor shown after the pressure information of pressure sensor is collected and handled student whether
On seat.
Compared with prior art, beneficial effects of the present invention are embodied in：
1st, the present invention is reformed on the basis of traditional large multimedia classroom, solves traditional large multimedia class
Courseware in hall in the invisible projection of heel row student, does not hear the content of class-teaching of teacher, does not hear mutual speech, it is difficult to enter yet
The common problem such as interaction between necessary teachers and students in row teaching link.
2nd, by pressure sensor receive student whether above seat teacher combine student work attendance situation, to learn
It is raw to carry out school work assessment, while also improve the efficiency of teaching of multimedia classroom.
3rd, storage tank of the invention ensure that the property of teacher and student are pacified by fingerprint inductor control cabinet lock-switch
Entirely.
4th, present invention combination is modern to allow teacher with student directly in liquid with the application of time writer and electromagnetic induction plate
Writing study is carried out on crystal display screen, conveniently while exchange, also saves the waste of paper.
5th, structure of the present invention is novel, practical function, not only solves the difficulties in teaching in contemporary society, and is tradition religion
Provide Diversified Teaching mode, adds the work and study interest of teacher and student.
Brief description of the drawings
Fig. 1 is a kind of structural representation of interactive computer teaching equipment for being easy to teachers and students' communication of the present invention
Figure；
Fig. 2 is that a kind of interactive computer teaching equipment stereochemical structure for being easy to teachers and students' communication of the present invention is shown
It is intended to；
Fig. 3 is a kind of top view of interactive computer teaching equipment for being easy to teachers and students' communication of the present invention；
Fig. 4 is a kind of element connection of interactive computer teaching equipment for being easy to teachers and students' communication of the present invention
Block diagram；
Wherein, 1- desks, 2- interchangers, 11- desks, 12- chairs, 1101- LCDs, 1102- time writers,
1103- display screens actuator, 1104- tablets actuator, 1105- electromagnetic induction plate, 1106- microphones, 1107- fluorescent tubes,
1108- fluorescent tubes actuator, 1109- shooting actuator, 1110- cameras, 1111- earphones, 1112- hooks, 1113- fore shafts,
1114- fingerprint inductors, 1115- casees lock, 1116- storage tanks, 1117- heat transfer agents processor, 1118-PCL controllers,
1119- main frames, 1120- control panels, the 1201- chair back, 1202- rotating shafts, 1203- pressure sensors, 1204- information pass
Defeated device.
Embodiment
For ease of the understanding to the embodiment of the present invention, below in conjunction with the accompanying drawings and the specific embodiments exemplified by further solved
Explanation is released, embodiment does not form the restriction to the embodiment of the present invention.
Embodiment 1：As shown in figure 1, a kind of interactive computer teaching equipment for being easy to teachers and students' communication, main bag
Include：Desk 1 and interchanger 2, interchanger 2 are installed in house inner top corner, and radio receiver is provided with interchanger 2 with passing
Device is sent, radio receiver includes with desk 1, desk 1 respectively with conveyer：Desk 11 and chair 12, desk 11 include：
LCDs 1101, time writer 1102, display screen actuator 1103, tablet actuator 1104, electromagnetic induction plate 1105, wheat
Gram wind 1106, fluorescent tube 1107, fluorescent tube actuator 1108, shooting actuator 1109, camera 1110, earphone 1111, hook 1112,
Fingerprint inductor 1114, storage tank 1116, heat transfer agent processor 1117, PCL controllers 1118, main frame 1119, control
Panel 1120 processed, LCDs 1101 install the surface of desk 11, and the on-fixed of time writer 1102 is installed on the surface of desk 11, show
Screen actuator 1103 is installed on the top of LCDs 1101, and tablet actuator 1104 is installed under display screen actuator 1103
Side, electromagnetic induction plate 1105 are installed on the lower section of LCDs 1101, and microphone 1106 is installed on the inner top of desk 11, fluorescent tube
1107 are vertically arranged to above desk 11, and fluorescent tube actuator 1108 is installed on the rear of fluorescent tube 1107, and shooting actuator 1109 is installed
The top of fluorescent tube 1107, camera 1110 are also installed on the top of fluorescent tube 1107, and hook 1112 is installed in the rear of fluorescent tube 1107
Portion, earphone 1111 are arranged on hook 1112, and fingerprint inductor 1114 is installed on outside desk 11, and storage tank 1116 is installed on desk
Inside 11, heat transfer agent processor 1117 is installed on the rear of PCL controllers 1118, and heat transfer agent processor 1117 and PCL
Controller 1118 is all located at the bottom of storage tank 1116, and main frame 1119 is installed on heat transfer agent processor 1117 and PCL and controlled
The bottom of device 1118 processed, control panel 1120 are installed on the right side of desk 11；Chair 12 includes：The chair back 1201, rotating shaft 1202, pressure pass
Sensor 1203, information carrying means 1204, the chair back 1201 are installed on the top of rotating shaft 1202, and pressure sensor 1203 is installed on chair
12 seat surfaces, information carrying means 1204 are installed on the lower section of pressure sensor 1203；PCL controllers 1118 pass through data wire point
Not with display screen actuator 1103, tablet actuator 1104, fluorescent tube actuator 1108, shooting actuator 1109, heat transfer agent
Processor 1117 connects, heat transfer agent processor 1117 by data wire respectively with main frame 1119, control panel 1120,
LCDs 1101, camera 1110, microphone 1106, pressure sensor 1203, display screen actuator 1103 pass through data
Line is connected with LCDs 1101, and tablet actuator 1104 is connected by data wire with electromagnetic induction plate 1105, and fluorescent tube is held
Row device 1108 is connected by data wire with fluorescent tube 1107, and shooting actuator 1109 is connected by data wire with camera 1110, is passed
Sense message handler 1117 is also connected with fingerprint inductor 1114；Pressure sensor 1203 passes through data wire and information carrying means
1204 connections；The image photography direction face LCDs 1101 of camera 1110；Teacher and student by microphone 1106 with
Camera 1110 enters exchanging for row image and language, and teacher can be by time writer 1102 in electromagnetic induction plate with student
The information of 1105 slip writing is accordingly indicated or is transferred to by the analysis that is collected of heat transfer agent processor 1117
Teacher or the desk 1 of classmate, and desk lamp is designed with each desk 1, protect the vision health of teacher and student.
Wherein, installation VC becomes Web-based instruction software and Metallographic Analysis software in computer teaching equipment；PCL controllers
Processor, A/D converter, wireless STIM and blue-tooth device are provided with 1118, processor is connected by data wire and A/D converter
Connect, A/D converter is connected by wireless STIM with blue-tooth device；Fore shaft 1113 and case lock 1115 are additionally provided with storage tank 1116,
The case lock 1115 is installed on below the inner surface of desk 11, and the fore shaft 1113 is installed on the top of case lock 1115；Protect
Protect the personal effects safety of teacher and student；State in interchanger 2 and be provided with radio receiver and conveyer, the wireless receiving
Device and conveyer respectively with the blue-tooth device wireless connection；Realize that information real time bidirectional transmits.
The present invention operation principle be：Teacher is passed through PLC with student by the reception and registration instruction of control panel 1120
Processor in 1118, PCL controllers 1118 by actuator connection corresponding to each element by being controlled again after processing information
The work of each executive component, each sensing element is by the information real-time delivery received to heat transfer agent processor 1117, sensing
Message handler 1117 has following function：
1. the image information for the electromagnetic induction plate 1105 that heat transfer agent processor 1117 can be collected into camera 1110
Other computers are passed to after being handled；
2. heat transfer agent processor 1117 passes to other computers after handling the acoustic information of microphone 1106.
3. the finger print information that heat transfer agent processor 1117 is collected to fingerprint inductor 1114, which is checked, carrys out control cabinet lock
1115 switch；
4. heat transfer agent processor 1117 shows after the pressure information of pressure sensor 1203 is collected and handled
Whether life is on seat.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in previous embodiment, or equivalent substitution is carried out to which part technical characteristic；And
These modifications are replaced, and the essence of appropriate technical solution is departed from the spirit and model of technical scheme of the embodiment of the present invention
Enclose.
Claims (6)
1. a kind of interactive computer teaching equipment for being easy to teachers and students' communication, it is characterised in that mainly include：Desk (1)
With interchanger (2), the interchanger (2) is installed in house inner top corner, be provided with interchanger (2) radio receiver with
Conveyer, the radio receiver include with the desk (1), desk (1) respectively with conveyer：Desk (11) and chair
Sub (12), the desk (11) include：LCDs (1101), time writer (1102), display screen actuator (1103), sensing
Plate actuator (1104), electromagnetic induction plate (1105), microphone (1106), fluorescent tube (1107), fluorescent tube actuator (1108), shooting
Actuator (1109), camera (1110), earphone (1111), hook (1112), fingerprint inductor (1114), storage tank
(1116), heat transfer agent processor (1117), PCL controllers (1118), main frame (1119), control panel (1120),
The LCDs (1101) installs desk (11) surface, and time writer (1102) on-fixed is installed on desk (11) table
Face, the display screen actuator (1103) are installed at the top of LCDs (1101), tablet actuator (1104) peace
Loaded on below display screen actuator (1103), the electromagnetic induction plate (1105) is installed on below LCDs (1101), institute
State microphone (1106) and be installed on desk (11) inner top, the fluorescent tube (1107) is vertically arranged to desk (11) above, described
Fluorescent tube actuator (1108) is installed on fluorescent tube (1107) rear, and the shooting actuator (1109) is installed at the top of fluorescent tube (1107),
The camera (1110) is also installed on the top of fluorescent tube (1107), and the hook (1112) is installed on the rear of fluorescent tube (1107)
Middle part, the earphone (1111) are arranged on hook (1112), and the fingerprint inductor (1114) is installed on desk (11) outside, institute
State storage tank (1116) and be installed on desk (11) inside, the heat transfer agent processor (1117) is installed on PCL controllers
(1118) rear, and heat transfer agent processor (1117) is all located at storage tank (1116) bottom, institute with PCL controllers (1118)
State main frame (1119) and be installed on heat transfer agent processor (1117) and PCL controllers (1118) bottom, the chain of command
Plate (1120) is installed on the right side of desk (11)；Chair (12) includes：The chair back (1201), rotating shaft (1202), pressure sensor
(1203), information carrying means (1204), the chair back (1201) are installed at the top of the rotating shaft (1202), the pressure sensing
Device (1203) is installed on chair (12) seat surface, and described information transmitting device (1204) is installed under pressure sensor (1203)
Side；PCL controllers (1118) by data wire respectively with display screen actuator (1103), tablet actuator (1104), fluorescent tube
Actuator (1108), shooting actuator (1109), heat transfer agent processor (1117) connection, heat transfer agent processor (1117) are logical
Cross data wire respectively with main frame (1119), control panel (1120), LCDs (1101), camera (1110),
Microphone (1106), pressure sensor (1203), display screen actuator (1103) pass through data wire and LCDs (1101)
Connection, tablet actuator (1104) are connected by data wire with electromagnetic induction plate (1105), and fluorescent tube actuator (1108) passes through
Data wire is connected with fluorescent tube (1107), and shooting actuator (1109) is connected by data wire with camera (1110), heat transfer agent
Processor (1117) is also connected with fingerprint inductor (1114)；Pressure sensor (1203) passes through data wire and information carrying means
(1204) connect；Camera (1110) image photography direction face LCDs (1101).
A kind of 2. interactive computer teaching equipment for being easy to teachers and students' communication as claimed in claim 1, it is characterised in that
Installation VC becomes Web-based instruction software and Metallographic Analysis software in the computer teaching equipment.
A kind of 3. interactive computer teaching equipment for being easy to teachers and students' communication as claimed in claim 1, it is characterised in that
Processor, A/D converter, wireless STIM and blue-tooth device, processor are provided with the PCL controllers (1118) and passes through data wire
It is connected with A/D converter, A/D converter is connected by wireless STIM with blue-tooth device.
A kind of 4. interactive computer teaching equipment for being easy to teachers and students' communication as claimed in claim 1, it is characterised in that
Fore shaft (1113) and case lock (1115) are additionally provided with the storage tank (1116), the case lock (1115) is installed on the desk
(11) below inner surface, the fore shaft (1113) is installed on above the case lock (1115).
A kind of 5. interactive computer teaching equipment for being easy to teachers and students' communication as claimed in claim 1, it is characterised in that
Be provided with radio receiver and conveyer in the interchanger (2), the radio receiver and conveyer respectively with institute
State blue-tooth device wireless connection.
A kind of 6. interactive computer teaching equipment for being easy to teachers and students' communication as claimed in claim 1, it is characterised in that
Installation Metallographic Analysis software in the computer teaching equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711240915.XA CN107798936A (en) | 2017-11-30 | 2017-11-30 | A kind of interactive computer teaching equipment for being easy to teachers and students' communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711240915.XA CN107798936A (en) | 2017-11-30 | 2017-11-30 | A kind of interactive computer teaching equipment for being easy to teachers and students' communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107798936A true CN107798936A (en) | 2018-03-13 |
Family
ID=61537340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711240915.XA Pending CN107798936A (en) | 2017-11-30 | 2017-11-30 | A kind of interactive computer teaching equipment for being easy to teachers and students' communication |
Country Status (1)
| Country | Link |
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| CN (1) | CN107798936A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112754164A (en) * | 2021-01-20 | 2021-05-07 | 杭州才神信息技术有限公司 | Multifunctional human resource consultation platform for recruitment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150188838A1 (en) * | 2013-12-30 | 2015-07-02 | Texas Instruments Incorporated | Disabling Network Connectivity on Student Devices |
| CN203882465U (en) * | 2014-06-03 | 2014-10-15 | 深圳市时尚德源文化传播有限公司 | All-in-one machine for teaching |
| CN204467366U (en) * | 2015-02-13 | 2015-07-15 | 河北大学 | A kind of removable dais of College English classroom instruction special-purpose multifunctional |
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| CN112754164A (en) * | 2021-01-20 | 2021-05-07 | 杭州才神信息技术有限公司 | Multifunctional human resource consultation platform for recruitment |
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Application publication date: 20180313 |
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