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指示剂 : 237 phrases in 33 subjects |
Agriculture | 12 |
Animal husbandry | 8 |
Architecture | 1 |
Automobiles | 3 |
Aviation | 1 |
Biology | 1 |
Business | 1 |
Chemistry | 29 |
Construction | 1 |
Dermatology | 1 |
Desert science | 4 |
Earth sciences | 4 |
Ecology | 5 |
Electronics | 8 |
Engineering geology | 4 |
Environment | 4 |
Food industry | 1 |
Food service and catering | 4 |
General | 13 |
Geology | 1 |
Geophysics | 2 |
Hydroelectric power stations | 1 |
Metallurgy | 23 |
Nuclear physics | 1 |
Nursing | 2 |
Oil / petroleum | 16 |
Oil processing plants | 2 |
Plastics | 4 |
Reproductive biology | 1 |
Space | 4 |
Sports | 1 |
Technology | 72 |
Water resources | 2 |