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年变化 : 71 phrases in 23 subjects |
Agriculture | 2 |
Automobiles | 1 |
Business | 1 |
Desert science | 6 |
Earth sciences | 1 |
Ecology | 2 |
Economy | 1 |
Electric machinery | 1 |
Electronics | 2 |
Environment | 1 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 1 |
Hydroelectric power stations | 4 |
International Monetary Fund | 1 |
Oil / petroleum | 1 |
Plastic surgery | 1 |
Rail transport | 1 |
Securities | 1 |
Space | 4 |
Technology | 33 |
Telecommunications | 1 |
Textile industry | 1 |
Wind Energy | 2 |