Arid regions cober arid and semiarid areas.

旱区包括干旱区和半干旱区.

North China is situated in arid and semiarid regions.

摘要华北地区位于干旱和半干旱地区.

The Salinas Grandes mark an intermediate, semiarid region.

萨利纳斯兰德斯湖地区则是向半干旱地区过渡的一个标志。

Desertification drains an arid or semiarid land of its life-supporting capabilities.

沙漠化使干旱或半干旱地区维持生命的能力逐渐枯竭。

Groundwater overexploitation is very serious in arid or semiarid areas of North China.

北方干旱、半干旱地区地下水超采严重，水资源供需矛盾突出。

Desertification drains an arid or semiarid land of its life - supporting capabilities.

沙漠化使干旱或半干旱地区维持生命的能力逐渐枯竭.

The salinity of lake water is a sensitive monitor of climate in arid and semiarid region.

在干旱半干旱地区,封闭湖泊的湖水盐度对气候变化反应敏感.

Shortage of water resources restricted agricultural production in arid and semiarid region.

水资源紧缺限制了干旱半干旱地区农业生产.

The funnel shaped catchment afforestation is a new forestry technique in semiarid loess hilly area.

漏斗式集流造林技术是黄土丘陵半干旱区旱作林业的一个创新.

Soil erosion by wind is a major cause of farmland degradation in arid and semiarid area of north China.

土壤风蚀是中国北方干旱半干旱地区农田土地退化的重要原因。