 |
| |||
| 同步数据链路 | |||
|
Synchronous Data Link : 17 phrases in 10 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Electronic commerce | 1 |
| Electronics | 2 |
| Information technology | 3 |
| Multimedia | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 3 |
| Telecommunications | 2 |
|
| |||
| 同步数据链路 | |||
|
Synchronous Data Link : 17 phrases in 10 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Electronic commerce | 1 |
| Electronics | 2 |
| Information technology | 3 |
| Multimedia | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 3 |
| Telecommunications | 2 |