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correction surface | |||
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compensating side |
校正面 : 48 phrases in 12 subjects |
Air defense | 2 |
Animal husbandry | 1 |
Automobiles | 2 |
Construction | 1 |
Electronics | 3 |
General | 2 |
Geophysics | 1 |
Oil / petroleum | 7 |
Shipbuilding | 1 |
Space | 1 |
Statistics | 2 |
Technology | 25 |