| |||
| 数字数据通信 | |||
| 数字式数据通信; 数字〔式〕数据通信 | |||
|
Digital Data Communication : 11 phrases in 7 subjects |
| Agriculture | 1 |
| Air defense | 2 |
| Aviation | 3 |
| Business | 1 |
| Earth sciences | 1 |
| Information technology | 1 |
| Telecommunications | 2 |
| |||
| 数字数据通信 | |||
| 数字式数据通信; 数字〔式〕数据通信 | |||
|
Digital Data Communication : 11 phrases in 7 subjects |
| Agriculture | 1 |
| Air defense | 2 |
| Aviation | 3 |
| Business | 1 |
| Earth sciences | 1 |
| Information technology | 1 |
| Telecommunications | 2 |