... 农村改厕 improvement of latrine in countryside 二重积分 double integration 最小二乘逼近 least squares approximation ...
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concept of double integration 二重积分的概念
double integration method 双积分原理 ; 两次积分法
double integration process 双重一体化进程
double integration control 双积分控制
numerical double integration 数值双积分
double integration with poles 有极点二重积分
double integration delta modulation 双重积分增量调制
The watershed total rainfall is expressed by using double integration.
利用二重积分表示流域降雨总量。
This stage can be one of double integration or triple integration depending on the number of cultures that the person has to process.
这个阶段是以双重或多重文化综合考量的基础上来理解的阶段。
The calculation of flow is often needed in water conservancy, and surface-fitting and double integration are usually met in order to solve this problem.
水利行业经常要进行流量计算，这样就会遇到曲面拟合和曲面积分的问题。
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