CN111640343A - Intelligent online college English online teaching evaluation system based on OBE - Google Patents
Intelligent online college English online teaching evaluation system based on OBE Download PDFInfo
- Publication number
- CN111640343A CN111640343A CN202010554254.3A CN202010554254A CN111640343A CN 111640343 A CN111640343 A CN 111640343A CN 202010554254 A CN202010554254 A CN 202010554254A CN 111640343 A CN111640343 A CN 111640343A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- obe
- line
- college english
- evaluation
- 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.)
- Withdrawn
Links
- 238000011156 evaluation Methods 0.000 title claims abstract description 40
- 238000013519 translation Methods 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 230000006978 adaptation Effects 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000000087 stabilizing effect Effects 0.000 abstract description 6
- 238000013016 damping Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 240000004792 Corchorus capsularis Species 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001149 cognitive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
- G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses an OBE-based intelligent online evaluation system for college English online teaching, which comprises an evaluation operating platform, wherein the upper surface of the evaluation operating platform is fixedly connected with an evaluation host, the upper surface of the evaluation operating platform is provided with a stabilizing seat, the upper surface of the stabilizing seat is fixedly connected with a sleeve, the inner part of the sleeve is in threaded connection with a supporting rod, the surface of the supporting rod is rotatably connected with a rotating ring, and the front surface of the rotating ring is fixedly connected with a mounting plate. This on-line intelligent online evaluation system of imparting knowledge to students of college english line based on OBE through setting up reciprocating motor, can drive the positive and negative direction rotation of lead screw, through setting up lead screw and translation ring, can drive the slide bar and remove about to drive and remove about the clean duster, rotate motor and pivot through setting up, can drive clean duster and rotate, through setting up the rotating ring, can make the display screen rotate, thereby reach this on-line intelligent online evaluation system self-cleaning's of imparting knowledge to students effect of college english line based on OBE effect.
Description
Technical Field
The invention relates to the technical field of teaching equipment, in particular to an OBE-based intelligent online evaluation system for college English online teaching.
Background
English belongs to the Western Hiberman language branch under the Hiberman language family in the Indonesian system, is evolved from the languages spoken by Hiberman who ancient times are in the great courage, Spikeson and Jute tribe of the great britain, is propagated to all over the world through the colonizing activities of the United kingdom, is the official language used by most countries according to the calculation of the number of people taking English as the mother language, is also the second language which is the most extensive in the world and is also the European Union, is one of the official languages of most international organizations and federal countries, but only has the third mother language user in the world, is less than official language Chinese and Spanish, and is the leading position in the culture, economy, military, politics and science in the last two centuries to make English an international language, and nowadays, English is also used as a communication medium in many international occasions, and is also the language which is the closest to computers, most programming languages are associated with english, one of the working languages of the united nations, and the use of english is becoming more popular with the use of networks.
English teaching refers to a process of teaching English for people who use or do not use the first language, the English teaching relates to various professional theoretical knowledge, including linguistics, second language acquisition, glossaries, sentence law, literature, corpus theory, cognitive psychology and the like, the English teaching is a progressive process, English learning is vital for people who use or do not use the first language, the global rapid development of English learning is today, an evaluation system is required to be used for evaluating learning results after teaching, and an existing evaluation system does not have an automatic cleaning function and is inconvenient to clean manually.
Disclosure of Invention
The invention aims to provide an OBE-based intelligent online assessment system for college English online teaching, which aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an OBE-based college English online teaching intelligent online evaluation system comprises an evaluation operating platform, the upper surface of the evaluation operating platform is fixedly connected with an evaluation host, the upper surface of the evaluation operating platform is provided with a stabilizing seat, the upper surface of the stabilizing seat is fixedly connected with a sleeve, the inner part of the sleeve is connected with a supporting rod through threads, the surface of the supporting rod is rotatably connected with a rotating ring, the front surface of the rotating ring is fixedly connected with a mounting plate, the front surface of the mounting plate is fixedly connected with a display screen, the top end of the mounting plate is fixedly connected with a translation device, the bottom end of the mounting plate is fixedly connected with a cross rod, the upper surface of the cross rod is connected with a sliding rod in a sliding way, the right side of the slide bar is respectively and fixedly connected with a rotating device and a fixed block, the upper surface of the fixed block is fixedly connected with a bearing, the inner ring surface of the bearing is fixedly connected with a rotating shaft, and the surface of the rotating shaft is fixedly connected with a cleaning duster.
Preferably, the lower fixed surface of the operation panel is connected with the supporting leg, the lower fixed surface of supporting leg is connected with the base, the base is trapezoidal, the material of base is rubber, a plurality of non-slip raised has been seted up to the lower surface of base, the quantity of supporting leg is four, four the supporting leg is the even lower surface that sets up at the operation panel of appraising of rectangular array.
Preferably, the steady seat is trapezoidal, the surface of bracing piece is provided with the screw thread, telescopic inner wall be provided with the screw thread of bracing piece looks adaptation, telescopic right side fixedly connected with jackscrew, the left side of jackscrew extends to telescopic inside left, the right side fixedly connected with knob of jackscrew, a plurality of is seted up on the surface of knob and is used for skid-proof protruding strip, the fixed surface of bracing piece is connected with the limiting plate, the quantity of limiting plate is two, the swivel becket is located between the opposite face of two limiting plates.
Preferably, the translation device include with mounting panel top fixed connection's device case, the first shock attenuation board of interior diapire fixedly connected with of device case, the last fixed surface of first shock attenuation board is connected with reciprocating motor, reciprocating motor's output fixedly connected with lead screw, the length and the display screen looks adaptation of lead screw.
Preferably, the surface of the screw rod is fixedly connected with two limiting rings, and the two limiting rings are symmetrically arranged on the surface of the screw rod by taking the vertical central line on the front surface of the screw rod as a symmetry axis.
Preferably, the surface threaded connection of lead screw has the translation ring, the cross-section of translation ring is the interior circle of foreign side, the top of slide bar upwards extends to the inside of device case, the opening that the slide bar of being convenient for removed is seted up to the lower surface of device case, the top of slide bar and the lower fixed surface of translation ring are connected, the translation ring is located between the opposite face of two spacing rings.
Preferably, the bottom end of the sliding rod is provided with a mounting opening, the inner wall of the mounting opening is fixedly connected with a roller, the upper surface of the cross rod is provided with a sliding groove matched with the roller, and the length of the cross rod is the same as that of the device box.
Preferably, the rotating device comprises a motor box fixedly connected with the right side of the sliding rod, the inner bottom wall of the motor box is fixedly connected with a storage battery and a second damping plate respectively, the upper surface of the second damping plate is fixedly connected with a rotating motor, the output end of the rotating motor extends downwards to the outside of the motor box, the output end of the rotating motor is fixedly connected with a rotating shaft, and the cleaning duster is adaptive to the width of the display screen in height.
Preferably, the reciprocating motor and the rotating motor are coupled with a storage battery, and the evaluation host and the display screen are communicated with an external power supply.
Advantageous effects
The invention provides an OBE-based college English online teaching intelligent online evaluation system, which has the following beneficial effects:
1. this on-line system of appraising of intelligence of imparting knowledge to students on college english line based on OBE through setting up reciprocating motor, can drive the positive and negative direction rotation of lead screw, through setting up lead screw and translation ring, can drive the slide bar and remove about to drive and remove about the clean duster, rotate motor and pivot through setting up, can drive clean duster and rotate, thereby reach this on-line system self-cleaning's of appraising of intelligence of imparting knowledge to students on college english line based on OBE effect.
2. This online evaluation system of college english online teaching intelligence based on OBE through setting up sleeve and bracing piece, can adjust the height of display screen according to individual custom, through setting up the swivel becket, can make the display screen rotate to reach this online evaluation system convenient to use's of college english online teaching intelligence based on OBE effect.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side view of a display panel according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
fig. 5 is an enlarged schematic view of the structure at C in fig. 1.
In the figure: the device comprises a 1 evaluation operating platform, a 2 evaluation host, a 3 stabilizing base, a 4 sleeve, a 5 supporting rod, a 6 rotating ring, a 7 mounting plate, an 8 display screen, a 9 cross bar, a 10 sliding rod, a 11 fixing block, a 12 rotating shaft, a 13 cleaning duster, a 14 supporting leg, a 15 base, a 16 jackscrew, a 17 knob, an 18 device box, a 19 reciprocating motor, a 20 lead screw, a 21 translation ring, a 22 motor box, a 23 storage battery and a 24 rotating motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: on-line evaluation system of college english on-line teaching intelligence based on OBE, including evaluation operation panel 1, evaluation operation panel 1's lower fixed surface is connected with supporting leg 14, supporting leg 14's lower fixed surface is connected with base 15, base 15 is trapezoidally, base 15's material is rubber, a plurality of non-slip raised has been seted up to base 15's lower surface, supporting leg 14's quantity is four, four supporting legs are the even lower surface that sets up at evaluation operation panel 1 of rectangular array, evaluation operation panel 1's last fixed surface is connected with evaluation host computer 2, evaluation operation panel 1 upper surface is provided with stable seat 3, stable seat 3's last fixed surface is connected with sleeve 4, the inside threaded connection of sleeve 4 has bracing piece 5.
The stabilizing base 3 is trapezoidal, the surface of the supporting rod 5 is provided with threads, the inner wall of the sleeve 4 is provided with threads matched with the supporting rod 5, the right side of the sleeve 4 is fixedly connected with a jackscrew 16, the left side of the jackscrew 16 extends leftwards to the inside of the sleeve 4, the right side of the jackscrew 16 is fixedly connected with a knob 17, the surface of the knob 17 is provided with a plurality of anti-skid convex strips, the surface of the supporting rod 5 is fixedly connected with two limiting plates, the number of the limiting plates is two, the rotating ring 6 is positioned between the opposite surfaces of the two limiting plates, the surface of the supporting rod 5 is rotatably connected with a rotating ring 6, the front surface of the rotating ring 6 is fixedly connected with a mounting plate 7, the front surface of the mounting plate 7 is fixedly connected with a display screen 8, the top end of the mounting plate 7 is fixedly connected with a translation device, the translation device, the upper surface fixedly connected with reciprocating motor 19 of first shock attenuation board, reciprocating motor 19's output fixedly connected with lead screw 20, lead screw 20's length and the 8 looks adaptations of display screen, through setting up reciprocating motor 19, can drive lead screw 20 positive and negative direction and rotate, lead screw 20's fixed surface is connected with the spacing ring, and the quantity of spacing ring is two, and two spacing rings use the positive vertical central line of lead screw 20 to set up on the surface of lead screw 20 as symmetry axis symmetry.
Through arranging the sleeve 4 and the supporting rod 5, the height of the display screen 8 can be adjusted according to personal habits, and through arranging the rotating ring 6, the display screen 8 can be rotated, so that the effect of convenient use of the on-line teaching intelligent online evaluation system based on the OBE English is achieved, the bottom end of the mounting plate 7 is fixedly connected with the cross rod 9, the upper surface of the cross rod 9 is slidably connected with the sliding rod 10, the surface of the lead screw 20 is in threaded connection with the translation ring 21, the cross section of the translation ring 21 is in an outer square and inner circle shape, the top end of the sliding rod 10 upwards extends into the device box 18, the lower surface of the device box 18 is provided with an opening convenient for the sliding rod 10 to move, the top end of the sliding rod 10 is fixedly connected with the lower surface of the translation ring 21, the translation ring 21 is positioned between the opposite surfaces of the two limit rings, the bottom end of the sliding rod 10 is provided with a, the crossbar 9 is the same length as the device case 18.
The right side of the sliding rod 10 is fixedly connected with a rotating device and a fixed block 11 respectively, the upper surface of the fixed block 11 is fixedly connected with a bearing, the inner annular surface of the bearing is fixedly connected with a rotating shaft 12, the surface of the rotating shaft 12 is fixedly connected with a cleaning duster 13, the rotating device comprises a motor box 22 fixedly connected with the right side of the sliding rod 10, the inner bottom wall of the motor box 22 is fixedly connected with a storage battery 23 and a second damping plate respectively, the upper surface of the second damping plate is fixedly connected with a rotating motor 24, the output end of the rotating motor 24 extends downwards to the outside of the motor box 22, the output end of the rotating motor 24 is fixedly connected with the rotating shaft 12, the height of the cleaning duster 13 is matched with the width of the display screen 8, the reciprocating motor 19 and the rotating motor 24 are both coupled with the storage battery 23, the evaluation host 2 and the display screen 8 are both communicated with an external power supply, therefore, the cleaning duster 13 is driven to move left and right, the cleaning duster 13 can be driven to rotate by arranging the rotating motor 24 and the rotating shaft 12, and the effect of automatically cleaning the intelligent on-line assessment system for teaching on college English lines based on the OBE is achieved.
The working principle is as follows: when the intelligent on-line assessment system for teaching on the college English line based on the OBE is used, the supporting rod 5 is rotated, the height of the display screen 8 is adjusted by the sleeve 4 according to personal habits, the knob 17 is twisted, the supporting rod 5 is fixed by the jackscrew 16, then the angle of the display screen 8 is adjusted by the rotating ring 6 to be opposite to an operator, when the display screen 8 needs to be cleaned, the reciprocating motor 19 is started, the screw rod 20 and the translation ring 21 are used for driving the sliding rod 10 to move left and right, the cleaning whisk 13 is driven to move left and right, the sliding rod 10 is driven to move more stably by the cross rod 9, meanwhile, the rotating motor 24 is started to rotate the rotating shaft 12, so that the cleaning whisk 13 is driven to rotate, the display screen 8 can be better cleaned, and the automatic cleaning effect of the intelligent on-line assessment system for teaching on.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. On-line evaluation system of college english online teaching intelligence based on OBE, including evaluation operation panel (1), its characterized in that: the upper surface of the evaluation operating platform (1) is fixedly connected with an evaluation host (2), the upper surface of the evaluation operating platform (1) is provided with a stable seat (3), the upper surface of the stable seat (3) is fixedly connected with a sleeve (4), the inner thread of the sleeve (4) is connected with a support rod (5), the surface of the support rod (5) is rotatably connected with a rotating ring (6), the front of the rotating ring (6) is fixedly connected with a mounting plate (7), the front of the mounting plate (7) is fixedly connected with a display screen (8), the top of the mounting plate (7) is fixedly connected with a translation device, the bottom of the mounting plate (7) is fixedly connected with a cross rod (9), the upper surface of the cross rod (9) is slidably connected with a slide rod (10), the right side of the slide rod (10) is respectively fixedly connected with a rotating device and a, the upper surface of the fixing block (11) is fixedly connected with a bearing, the inner ring surface of the bearing is fixedly connected with a rotating shaft (12), and the surface of the rotating shaft (12) is fixedly connected with a cleaning duster (13).
2. The intelligent on-line assessment system for on-line teaching of college english based on OBE of claim 1, characterized in that: the lower fixed surface of evaluation operation panel (1) is connected with supporting leg (14), the lower fixed surface of supporting leg (14) is connected with base (15), base (15) are trapezoidal, the material of base (15) is rubber, a plurality of non-slip raised has been seted up to the lower surface of base (15), the quantity of supporting leg (14) is four, four the supporting leg is the even lower surface that sets up at evaluation operation panel (1) of rectangular array.
3. The intelligent on-line assessment system for on-line teaching of college english based on OBE of claim 1, characterized in that: stabilize seat (3) and be trapezoidal, the surface of bracing piece (5) is provided with the screw thread, the inner wall of sleeve (4) is provided with the screw thread with bracing piece (5) looks adaptation, the right side fixedly connected with jackscrew (16) of sleeve (4), the left side of jackscrew (16) extends to the inside of sleeve (4) left, the right side fixedly connected with knob (17) of jackscrew (16), a plurality of is seted up on the surface of knob (17) and is used for skid-proof protruding strip, the fixed surface of bracing piece (5) is connected with the limiting plate, the quantity of limiting plate is two, swivel becket (6) are located between the opposite face of two limiting plates.
4. The intelligent on-line assessment system for on-line teaching of college english based on OBE of claim 1, characterized in that: translation device include with mounting panel (7) top fixed connection's device case (18), the first shock attenuation board of interior diapire fixedly connected with of device case (18), the last fixed surface of first shock attenuation board is connected with reciprocating motor (19), the output fixedly connected with lead screw (20) of reciprocating motor (19), the length and display screen (8) looks adaptation of lead screw (20).
5. The OBE-based intelligent online assessment system for college English online teaching according to claim 4, wherein: the surface of the screw rod (20) is fixedly connected with two limiting rings, and the two limiting rings are symmetrically arranged on the surface of the screw rod (20) by taking a vertical central line on the front surface of the screw rod (20) as a symmetry axis.
6. The OBE-based intelligent online assessment system for college English online teaching according to claim 4, wherein: the surperficial threaded connection of lead screw (20) has translation ring (21), the cross-section of translation ring (21) is the foreign side inner circle form, the top of slide bar (10) upwards extends to the inside of device case (18), the opening that slide bar (10) of being convenient for removed is seted up to the lower surface of device case (18), the top of slide bar (10) is connected with the lower fixed surface of translation ring (21), translation ring (21) are located between the opposite face of two spacing rings.
7. The intelligent on-line assessment system for on-line teaching of college english based on OBE of claim 1, characterized in that: the bottom of slide bar (10) has seted up the installing port, and the inner wall fixedly connected with gyro wheel of installing port, the spout with gyro wheel looks adaptation is seted up to the upper surface of horizontal pole (9), the length of horizontal pole (9) and device case (18) is the same.
8. The intelligent on-line assessment system for on-line teaching of college english based on OBE of claim 1, characterized in that: rotating device include with slide bar (10) right side fixed connection's motor case (22), the interior diapire of motor case (22) is fixedly connected with battery (23) and second shock attenuation board respectively, the last fixed surface of second shock attenuation board is connected with rotates motor (24), the output downwardly extending of rotating motor (24) is outside motor case (22), the output and pivot (12) fixed connection of rotating motor (24), the height of clean duster (13) and the width looks adaptation of display screen (8).
9. The intelligent on-line assessment system for on-line teaching of college english based on OBE of claim 1, characterized in that: the reciprocating motor (19) and the rotating motor (24) are both coupled with the storage battery (23), and the evaluation host (2) and the display screen (8) are both communicated with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010554254.3A CN111640343A (en) | 2020-06-17 | 2020-06-17 | Intelligent online college English online teaching evaluation system based on OBE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010554254.3A CN111640343A (en) | 2020-06-17 | 2020-06-17 | Intelligent online college English online teaching evaluation system based on OBE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111640343A true CN111640343A (en) | 2020-09-08 |
Family
ID=72330150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010554254.3A Withdrawn CN111640343A (en) | 2020-06-17 | 2020-06-17 | Intelligent online college English online teaching evaluation system based on OBE |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111640343A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005315A (en) * | 2021-11-04 | 2022-02-01 | 华能国际电力股份有限公司大连电厂 | Automatic operator level scoring system |
| DE202022100887U1 (en) | 2022-02-16 | 2022-02-24 | Marggise Anusha Angel | System for improving online teaching and teaching evaluation using information and communication technology |
-
2020
- 2020-06-17 CN CN202010554254.3A patent/CN111640343A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005315A (en) * | 2021-11-04 | 2022-02-01 | 华能国际电力股份有限公司大连电厂 | Automatic operator level scoring system |
| DE202022100887U1 (en) | 2022-02-16 | 2022-02-24 | Marggise Anusha Angel | System for improving online teaching and teaching evaluation using information and communication technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111640343A (en) | Intelligent online college English online teaching evaluation system based on OBE | |
| CN209819137U (en) | Big data-based computer teaching display device | |
| CN205385962U (en) | Wisdom learning terminal | |
| CN209822092U (en) | English translation teaching show board | |
| CN209373944U (en) | A kind of CAI software of adjustable-angle displaying device | |
| CN210983776U (en) | Teaching device is used in english translation | |
| CN210052362U (en) | Display device for mathematics | |
| CN212678603U (en) | Multifunctional multimedia platform | |
| CN210627587U (en) | Interactive teaching equipment is used in english teaching | |
| CN206357897U (en) | A kind of flexible tilting fine arts car of painting from life | |
| CN214279325U (en) | English teaching is with high interesting learning device | |
| CN209156255U (en) | A kind of glue-pouring device for the straight inserting type LED support reducing encapsulating amount | |
| CN210271361U (en) | Marxist philosophy memory auxiliary device | |
| CN211269383U (en) | Multifunctional traditional Chinese medicine box | |
| CN210348834U (en) | Foreign chinese teaching presentation device with rotary mechanism | |
| CN211048707U (en) | Multimedia platform for foreign language teaching | |
| CN210353915U (en) | Chinese vocabulary explanation device | |
| CN209365749U (en) | A kind of novel teaching aid for art teaching | |
| CN207626943U (en) | A kind of Visual Communication Design displaying device | |
| CN219537756U (en) | Multifunctional desk special for laboratory | |
| CN211742292U (en) | English teaching is with show board | |
| CN214428117U (en) | Chinese language and literature auxiliary teaching device | |
| CN110917431A (en) | Belt cleaning device is used in gynaecology's nursing | |
| CN209264698U (en) | A kind of portable simple food detection device | |
| CN219133689U (en) | Teaching board convenient to use |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200908 |