basin shape

The paper puts forward the discharge in districts and pumping by adding pumping station so as to solve the drainage problem in special terrain (pot terrain), taking a certain district of Xinxiang City as an example.

以新乡市某区域为例 ,通过分析研究 ,提出分区排放及加设泵站抽排以解决特殊地形 (盆状地形 )的排水问题。

Parameter estimation for the two-parameter bathtub-shaped lifetime distribution;

一个两参数有浴盆形状失效率的寿命分布的参数估计