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光学仪器 | |||
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光学仪器 | |||
光学仪; 光学器械 | |||
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光学仪器; 光学仪; 光学器械 |
optical instruments : 80 phrases in 12 subjects |
Automobiles | 2 |
Aviation | 1 |
Earth sciences | 2 |
Electronics | 11 |
Hydroelectric power stations | 1 |
Mechanics | 1 |
Missiles | 1 |
Oil / petroleum | 1 |
Rail transport | 1 |
Shipbuilding | 2 |
Space | 5 |
Technology | 52 |