这一时期夏季风减弱，冬季风增强，风成黄土堆积，降水减少。
Summer monsoon was weaker and winter monsoon stronger. Precipitation decreased, and eolian dust deposition was accelerated.
这一时期夏季风减弱，冬季风增强，风成黄土堆积，降水减少。
Summer monsoon was weaker and winter monsoon stronger. Precipitation decreased, and eolian dust deposition was accelerated.
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