Surface water from upstream mainly by the surface water and groundwater recharge.
地表水来自于上游，地下水主要受地表水补给。
Furthermore, by the 2-d FEA model, the effect of the reduction of the surface settlement due to different distances of recharge or the depth of water-sealing was studied.
同时通过建立二维有限元模型，研究了工程上采用的回灌和止水措施对减小地表变形的作用。
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