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河性 : 197 phrases in 20 subjects |
Agriculture | 1 |
Arabic language | 1 |
Architecture | 2 |
Bridge construction | 13 |
Desert science | 9 |
Earth sciences | 2 |
Electronics | 2 |
Engineering geology | 6 |
Fish farming pisciculture | 1 |
Fishery fishing industry | 1 |
General | 7 |
Hydroelectric power stations | 15 |
Name of organization | 1 |
Nautical | 1 |
Nursing | 1 |
Oil / petroleum | 4 |
Soil science | 2 |
Technology | 124 |
United Nations | 2 |
Water resources | 2 |