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| 电话通信; 语音通信 | |||
| 话音通信 | |||
| voice communication: 30 phrases in 12 subjects |
| Air defense | 4 |
| Aviation | 4 |
| Communications | 1 |
| Electronics | 1 |
| General | 1 |
| Information technology | 1 |
| Oil / petroleum | 1 |
| Scuba diving | 1 |
| Space | 6 |
| Submarines | 1 |
| Technology | 4 |
| Telecommunications | 5 |
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