干旱区（arid zone）指属于的地区，约占陆地面积的30%，其共同特征是：降水量少而变率大，一般气温日较差和年较差皆大，可能蒸发量远远大于降水量，多...
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hot arid zone 炎热干旱区
semi-arid zone 半干旱带 ; 半干燥地带
Arid Zone Research 干旱区研究
arid zone countries 干旱地区国家
arid zone research programme 干旱地区研究方案
gansu arid and semi-arid zone 甘肃干旱半干旱区
Arid Zone Geomorphology 干旱区地貌
Arid Zone Wetlands Index 干旱区湿地指数
arid-zone 干旱区
N either of the zones of latitude 15–30° N and S characterized by very low rainfall and desert or semidesert terrain 干旱带
These rivers and river systems are known as "exogenous" because their sources lie outside the arid zone.
这些河流和河川系统被称作“外源河流”，因为它们的源头位于干旱地区之外。
Arid Zone Geomorphology: Process, Form and Change in Drylands, Third Edition.
干旱区地貌：旱地过程，形式和变化，第三版。
The landscape ecological construction in continental river basin in arid zone.
干旱区内陆河流域景观生态建设。
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