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| 频分多路传输; 频分多路; 频率多路传输 | |||
| 频率复合 | |||
| 频率多路复用 | |||
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| 频率多路调制; 频率复用 | |||
| frequency multiplex: 41 phrases in 10 subjects |
| Air defense | 5 |
| Automobiles | 1 |
| Business | 1 |
| Electronics | 10 |
| Geophysics | 2 |
| Information technology | 2 |
| Oil / petroleum | 5 |
| Space | 5 |
| Technology | 6 |
| Telecommunications | 4 |
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