In this paper, a new computational method with a mathematical model of transient flow in soil masses is proposed for solving the problem of saturated-unsaturated flow in earth DAMS.
本文提出土体非稳定渗流数学模型和新计算方法，用以计算土坝饱和-非饱和区的渗流。
A new computational method for environmental quality assessment-the RN method is presented.
本文提出了一种环境质量评价的新的计算方法——RN方法。
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