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美 国 材料试验学会 : 29 phrases in 14 subjects |
Animal husbandry | 1 |
Automobiles | 1 |
Chemistry | 1 |
Earth sciences | 5 |
Ecology | 1 |
Electronics | 1 |
Engineering geology | 3 |
General | 1 |
Hydroelectric power stations | 2 |
Military | 1 |
Nuclear and fusion power | 1 |
Plastics | 4 |
Space | 1 |
Technology | 6 |