... f amount of precipitation 降水 low amount of precipitation 少降水量 annual amount of precipitation 年降水量 ; 年雨量 ...
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各区域年降水量的经向廓线表明：低纬、中纬、高纬地区年降水量的纬向廓线一样呈“东多西少”的形势，高纬地区呈“下降一上升”的分布型不同于低、中纬地区及中国区域。
The zonal distribution of precipitation is two peak value curve tendency in low latitude region and up tendency in middle latitude region and down-up tendency in high latitude region.
研究表明，土壤干层的形成主要是自然原因造成的，是降水量少决定的重力水带分布深度小引起的。
The study reveals that the formation of dried soil layer is mainly caused by natural factors due to the reduction of precipitation and gravitational water.
彭阳县属典型的温带半干旱大陆性季风气候，降水量小，蒸发量大，水资源量少质差，区域分布不均匀。
Pengyang County is the model the temperate zone half arid continental monsoon climate, the precipitation is small, the transpiration rate is big.
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