rainfall amount

The amount of rainfall determines the quality of the crop.

降雨量决定着收成的好坏.

The characteristics of arid and semi-arid Northwest China includes great amount of evaporation, small amount of rainfall and light and heat resources, these are necessary conditions for exploitation and development of artificial oasis.

中国西北属干旱、半干旱地区，于是蒸发量大、降雨量小，光热资源充足为当地的主要气候特征，为人工绿洲的开发与发展准备了前提。

In the central of Guangdong the decreases of storm and heavy storm rainfall are the main cause of the decrease of annual rainfall amount.

中部地区暴雨以上降水减少是年降水总量略呈下降趋势的主要原因。

The amount of rainfall is down compared with last year.

同去年相比,降雨量减少了.

The landslide early warning could base on the study on lag characteristic and rainfall threshold, by the use of rainfall information. ( 5) The backwater amount in unsaturated zone in landslide was estimated.

通过潜水位对降雨的滞后响应特征以及降雨阈值的分析，提出利用降雨信息对滑坡进行提前预警；（5）对滑体中非饱和带滞水量进行了估算。

The amount of rainfall determines the size of the crop.

(限定;支配;规定;决定)降雨量决定着收成的好坏.