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| 电-光学系统 | |||
| 电子光学系统; 电-光系统 | |||
| 光电系统; 电子光学系统 | |||
| 电光系统 | |||
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| 电-光学系统 | |||
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electro- optical systems : 50 phrases in 8 subjects |
| Air defense | 5 |
| Aviation | 9 |
| Earth sciences | 2 |
| Electronics | 20 |
| Geophysics | 1 |
| Missiles | 1 |
| Space | 11 |
| Telecommunications | 1 |
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