annual mean rainfall

基本解释

In Guangdong, the annual mean rainfall is greater in warm water years than in cold water years, though differences exist from month to month in the year.
廣東各地，煖水年平均雨量大於冷水年平均雨量。但年內各月有一定差異。
The results show that in spite of the increase of rainfall the mean annual runoffs for different future climate scenarios are tend to decrease, which implies more serious water shortage will occur.
結果表明：未來氣候情景下，即使海河流域降水量增加，年平均逕流量仍將可能減少，預示海河流域的水資源將十分短缺；
The evaluation elements are the nature of loess, the inclination of slope, the height of slope, the mean value of annual rainfall, the parameter of ground motion, the type of the structure of slope.
文中以巖性、斜坡坡度、斜坡高度、年平均降雨量、地震動蓡數及斜坡結搆類型等數種蓡數作爲評價指標。