According to the number of unknown variables in ideal element fitting, variable substitution is adopted to convert the overdetermined nonlinear equations into overdetermined linear equations.
根据理想要素拟合过程中待求未知量的个数，运用变量代换，将非线性超
方程组转化为线性超方程组；
的,过于武断的According to the number of unknown variables in ideal element fitting, variable substitution is adopted to convert the overdetermined nonlinear equations into overdetermined linear equations.
根据理想要素拟合过程中待求未知量的个数，运用变量代换，将非线性超方程组转化为线性超方程组；
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