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海区 : 620 phrases in 46 subjects |
Advertising | 1 |
Agriculture | 6 |
Air defense | 3 |
Animal husbandry | 1 |
Architecture | 1 |
Automobiles | 2 |
Aviation | 14 |
Bridge construction | 2 |
Business | 7 |
Ceramics | 1 |
China | 6 |
Desert science | 12 |
Earth sciences | 83 |
Ecology | 18 |
Economy | 12 |
Electronics | 6 |
Engineering geology | 4 |
Environment | 13 |
Explosives and Explosive Ordnance Disposal | 6 |
Fishery fishing industry | 11 |
General | 15 |
Geography | 8 |
Geology | 7 |
Geophysics | 1 |
Gymnastics | 1 |
Hydroelectric power stations | 13 |
International trade | 12 |
Logistics | 1 |
Metallurgy | 2 |
Name of organization | 35 |
Nautical | 24 |
Navigation | 9 |
Oceanography & oceanology | 3 |
Oil / petroleum | 19 |
Otorhinolaryngology | 1 |
Planning | 2 |
Port facilities | 1 |
Space | 6 |
Stationery | 1 |
Technology | 193 |
Telecommunications | 1 |
Textile industry | 3 |
United Nations | 46 |
United States | 3 |
Water resources | 1 |
Wind Energy | 3 |