Equations of steady drawdown, seepage velocity, quasi steady time and ideal well distance were obtained through analytic seepage equation.

通过分析理论解，从中得出稳态降深方程、稳态渗流速度方程、准稳态时间方程和理想井间距方程。

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To analyze the concentration variety with time and the dispersing distance of the seeped poisonous liquid, the planar seepage equation is built and the seepage consequence software is developed.

为分析泄漏后毒物的浓度在时间和空间上的变化规律，建立了二维渗流方程，开发了二维渗流事故后果分析软件。

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