| |||
| 数据切换系统 | |||
| 数据交换系统; 数据交换方式 | |||
|
data switching system : 21 phrases in 10 subjects |
| Aviation | 1 |
| Business | 2 |
| Earth sciences | 1 |
| Electronics | 3 |
| Geophysics | 1 |
| Information technology | 2 |
| Metallurgy | 2 |
| Space | 4 |
| Technology | 4 |
| Telecommunications | 1 |
| |||
| 数据切换系统 | |||
| 数据交换系统; 数据交换方式 | |||
|
data switching system : 21 phrases in 10 subjects |
| Aviation | 1 |
| Business | 2 |
| Earth sciences | 1 |
| Electronics | 3 |
| Geophysics | 1 |
| Information technology | 2 |
| Metallurgy | 2 |
| Space | 4 |
| Technology | 4 |
| Telecommunications | 1 |