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| 光检测器 | |||
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light detector : 26 phrases in 10 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Ecology | 1 |
| Electronics | 3 |
| General | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Refrigeration | 1 |
| Space | 3 |
| Technology | 13 |
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