| |||
光频 | |||
光频 (率); 光频段 | |||
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光频 (率); 光频段 |
optical frequency: 58 phrases in 11 subjects |
Agriculture | 1 |
Air defense | 1 |
Aviation | 1 |
Computer networks | 1 |
Electronics | 14 |
Geophysics | 1 |
Information technology | 1 |
Shipbuilding | 2 |
Space | 6 |
Technology | 29 |
Telecommunications | 1 |