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| 光活性; 旋光性 | |||
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optical active : 31 phrases in 8 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 4 |
| Chemistry | 1 |
| Electronics | 6 |
| Information technology | 5 |
| Space | 4 |
| Technology | 9 |
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