否则，此线性方程组无解，或者无穷解？
Otherwise, well, AX equals B has either no solution, or infinitely many solutions. Yes?
对于两侧直线补给边界水位和补给流量不同的情况，建立了无穷级数表达的非线性方程组；
The nonlinear equation group expressed by infinite series was made up in the condition of different water level and recharge quantity on two lateral linear recharge boundary.
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