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| дробная доза; фракционированная доза | |||
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分离量 : 34 phrases in 9 subjects |
| Electronics | 6 |
| General | 5 |
| Mathematics | 6 |
| Missiles | 2 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil processing plants | 2 |
| Oilfields | 1 |
| Technology | 10 |
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