| |||
| 数字环路 | |||
|
digital loop : 63 phrases in 12 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Aviation | 2 |
| Communications | 2 |
| Computer networks | 5 |
| Electronics | 27 |
| Information technology | 7 |
| Multimedia | 1 |
| Project management | 1 |
| Space | 5 |
| Technology | 3 |
| Telecommunications | 7 |
| |||
| 数字环路 | |||
|
digital loop : 63 phrases in 12 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Aviation | 2 |
| Communications | 2 |
| Computer networks | 5 |
| Electronics | 27 |
| Information technology | 7 |
| Multimedia | 1 |
| Project management | 1 |
| Space | 5 |
| Technology | 3 |
| Telecommunications | 7 |