dry regions in the northwest 西北干旱地区
Most of our precious minerals are found in regions in the Northwest and Southwest.
我们大部分的宝贵矿物都藏蕰在西北和西南地区。
This paper summarized hydrological characters, distribution of precipitation and runoff in arid and semiarid regions in the northwest of China on the basis of the previous researches.
本文在前人研究基础上,总结了中国西北部干旱半干旱地区的水文特性,降水及径流的时空分布规律。
The main regions of seismic activities were the seismic belt of the northwest margin of the Pacific Ocean and the Oceanic island-arc seismic belt.
主要活动地区是太平洋西北边缘地震带和大洋岛弧地震带。
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