overyear

Using flow sediment laden formula set by Hanqiwei and overyear runoff,sediment data,the sediment retaining prediction of Manwan reservoir is carried out.

利用韩其[1]挟沙力公式以及戛旧站多年径、泥沙资料,进行了漫湾库的拦沙预测分析。

Based on the quality data of overyear water table and groundwater, the research studied the dynamic variation of water table and quality of groundwater.

摘要本文总结银川地区地下监测点的多年位质资料的基础上，研究地下位的动态质随时间的。