cloud amount

基本解释

The variation trend of mean cloud amount increases at east of Inner Mongolia and decreases at middle and west of Inner Mongolia.
东部地区总云量呈增加的趋势，中、西部地区呈减少的趋势。
Similar to the method of Z index of precipitation, a trial research is made on monitoring drought by the amount of cloud, and the method of Z index of cloud amount is established.
类似于降水量Z指标法对旱情的监测，进行了云参数监测旱情的研究，建立了云量监测的Z指标法。
Weather observations are few in number, but the satellite-based cloud observations show a zigzag series of ups and downs in the average cloud amount where the path crosses between the two countries.
天气观测总数上是很少的，但是基于卫星的云量观测显示，在这两个国家之间的食径穿过的地方，平均云遮比呈现出一个高低起伏的之字形。
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