中国需要一个新的补给源。
在以融冰雪为径流主要补给源的河流，气温对径流的影响非常大。
Based on the river having melted ice-snow as the main runoff source, the air temperature plays a leading role in the runoff.
降水量的预报精度对以其为直接或间接补给源的地下水资源评价具有重要的影响。
Prediction accuracy of precipitation has an important influence on evaluation of groundwater resources that is recharged directly or indirectly by the precipitation.
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