valid approximation meaning in English
允许近似值
Examples
- By using the yearly data of water - sand that is gotten by a couple of adjacent hydrologic station in yellow river lower reaches , this paper makes use of kinds of math methods looking for the nonlinear disturbance among all of the factors , and introduces the thinking of analysis , logic , conclusion , inference , and random to nonlinear hydrologic forecasting . it realizes the valid approximation of the water level process in erodible - bed channel
本文选择黄河下游两对相邻水文站多年水沙资料，借助多种数学方法寻找其中的非线性扰动项，将随机数学中分析、逻辑、归纳、演绎、随机的思考问题方式引入到非线性水文预报中，实现冲淤河道相应水位过程的有效拟合。