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防 灾 : 129 phrases in 24 subjects |
Advertising | 1 |
Agriculture | 4 |
Architecture | 1 |
Automobiles | 1 |
Business | 2 |
China | 4 |
Commerce | 2 |
Communications | 2 |
Cryptography | 1 |
Desert science | 17 |
Drilling | 1 |
Earth sciences | 10 |
Ecology | 4 |
Economy | 1 |
Engineering geology | 3 |
Environment | 3 |
General | 2 |
Hydroelectric power stations | 2 |
Name of organization | 1 |
Nautical | 1 |
Rail transport | 10 |
Surgery | 1 |
Technology | 48 |
United Nations | 7 |