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光通信 | |||
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光通信; 光学通信 | |||
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光学通信; 光通信 | |||
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光纤通信 | |||
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光纤通信 |
optical communications : 162 phrases in 11 subjects |
Air defense | 1 |
Aviation | 7 |
Communications | 1 |
Computer networks | 9 |
Electronics | 67 |
Information technology | 7 |
Metallurgy | 4 |
Rail transport | 1 |
Space | 14 |
Technology | 38 |
Telecommunications | 13 |