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| 分频; 频率复用; 频率嵌入法; 频率交错法; 载波调制多路传输; 光频频分 | |||
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частотное уплотнение : 10 phrases in 4 subjects |
| Electronics | 1 |
| General | 1 |
| Oil processing plants | 1 |
| Technology | 7 |
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