 |
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| астатизм | |||
| астатизм (пример: система с астатизмом 1-го порядка 一级无静差系统) | |||
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无差性 : 10 phrases in 5 subjects |
| Electronics | 3 |
| General | 2 |
| Mathematics | 2 |
| Socialism | 2 |
| Technology | 1 |
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