 |
| |||
| propagation delay; transmission delay | |||
| back off time | |||
| 传输延时: 15 phrases in 8 subjects |
| Air defense | 1 |
| Communications | 1 |
| Electronics | 2 |
| Information technology | 2 |
| Oil / petroleum | 1 |
| Space | 5 |
| Technology | 2 |
| Telecommunications | 1 |
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