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optical instruments | |||
photographic | |||
optical instrument | |||
optic apparatus; optical apparatus; optic instrument |
光学仪器: 75 phrases in 14 subjects |
Agriculture | 1 |
Air defense | 1 |
Automobiles | 1 |
Aviation | 3 |
Consulting | 1 |
Earth sciences | 2 |
Electronics | 5 |
General | 4 |
Geophysics | 1 |
International trade | 3 |
Mechanics | 1 |
Shipbuilding | 1 |
Space | 4 |
Technology | 47 |