河流径流量 meaning in Chinese

river runoff

There is also a difference in all rivers in this region . annual runoff of wudinghe river reduced notably in both general tendency and periodic change
陕甘宁地区河流径流量总的变化趋势为减少，但各条河流变化情况不同。
In this paper , the characteristics and tendency of annual runoff changes of wudinghe river , malianhe river and qingshuihe river are analyzed
河流径流量在自然和人为因素的共同影响下而变化，变化特征复杂，趋势具有不确定性。
In a year the change of river flow is drastically and season distributes of runoff in river is mainly centralize in the summer in jia - lu - he , qiu - shui - he and pian - guan - he catchments . for example , the runoff amount from july to august accounts for 41 % , 58 % and 57 % of the annual runoff amount in the above three catchments , respectively
所选四条流域中，佳芦河、湫水河和偏关河三条河流径流量年内变化剧烈，季节分配不均，集中度高， 7 8月份径流量分别占各流域年径流量的41 、 58和57 。