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最高水 位: 114 phrases in 13 subjects |
Architecture | 2 |
Bridge construction | 13 |
Desert science | 2 |
Earth sciences | 5 |
Electric machinery | 2 |
Engineering geology | 5 |
General | 3 |
Geology | 1 |
Hydroelectric power stations | 13 |
Hydrology | 1 |
Oil / petroleum | 1 |
Rail transport | 1 |
Technology | 65 |