The discrete least square method is one of methods of weighted residual (MWR) for Solving differential equations.
离散型最小二乘法是解微分方程的加权残值法的一种。
Meanwhile the practical application of MWR in reconstruction of Xiqiao Waterworks in Meizhou City, Guangdong Province is described.
同时阐述其在广东梅州西桥水厂的改造及运行情况。
The same annuity product has different MWR when purchased at different age, therefore there is an optimal age for buying an annuity product.
相同产品在不同年龄购买时对应的年金MWR也各不相同，存在最优购买年龄。
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