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光学照相
| 仪器仪表工程
| 师
| 协会
| 光学照相 | |
| space | photo-optics |
| 仪器仪表工程 | |
| wind. | instrumentation engineering |
| 师 | |
| gen. | division; toman |
| avia. | division |
| 协会 | |
| met. | gild |
| |||
| photo-optics | |||
| 光学照相: 31 phrases in 8 subjects |
| Aviation | 4 |
| Electronics | 7 |
| General | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Space | 5 |
| Technology | 10 |
| Telecommunications | 1 |
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