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| 倒易定理 | |||
| 互反定理; 互易定理互易定律; 互易定理; 互易定律; 可逆定理 | |||
| теорема взаимности: 12 phrases in 3 subjects |
| General | 4 |
| Strength of materials | 1 |
| Technology | 7 |
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