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| 光电子 | |||
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| 光学电子 | |||
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optical electrons : 35 phrases in 11 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Electronics | 9 |
| General | 2 |
| Metallurgy | 4 |
| Navigation | 1 |
| Oil / petroleum | 1 |
| Polymers | 2 |
| Space | 3 |
| Technology | 10 |
| Telecommunications | 1 |
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