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physiographic division | |||
physiographic province | |||
physiographical province |
地 文 区 : 50 phrases in 10 subjects |
China | 1 |
Desert science | 1 |
Earth sciences | 3 |
Ecology | 1 |
Economy | 1 |
Engineering geology | 4 |
Explosives and Explosive Ordnance Disposal | 1 |
Hydroelectric power stations | 1 |
Oil / petroleum | 3 |
Technology | 34 |