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光学性光性 : 71 phrases in 10 subjects |
| Electronics | 7 |
| General | 15 |
| Geology | 13 |
| Medical | 3 |
| Military | 2 |
| Oil processing plants | 1 |
| Physics | 1 |
| Quantum electronics | 1 |
| Radio | 1 |
| Technology | 27 |
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