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光 纤传感器 : 136 phrases in 12 subjects |
Air defense | 1 |
Aviation | 3 |
Computer networks | 3 |
Earth sciences | 1 |
Electronics | 17 |
Hydroelectric power stations | 2 |
Information technology | 5 |
Rail transport | 1 |
Space | 5 |
Technology | 92 |
Telecommunications | 5 |
Water resources | 1 |