 |
| |||
| scan code | |||
| 扫描码: 29 phrases in 13 subjects |
| Agriculture | 2 |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 1 |
| Electronics | 5 |
| Exhibitions | 1 |
| Geology | 1 |
| Information technology | 1 |
| Librarianship | 2 |
| Project management | 1 |
| Space | 1 |
| Technology | 10 |
| Telecommunications | 1 |
|
| |||
| scan code | |||
| 扫描码: 29 phrases in 13 subjects |
| Agriculture | 2 |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 1 |
| Electronics | 5 |
| Exhibitions | 1 |
| Geology | 1 |
| Information technology | 1 |
| Librarianship | 2 |
| Project management | 1 |
| Space | 1 |
| Technology | 10 |
| Telecommunications | 1 |