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1·This paper presents a new algorithm of the two-dimentional Boundary Element thod(BEM).

本文提出一种二维边界无法的算法。

2·Taking Jingtieshan Mine as an example, the peper deals with several problems with applying non-dilution ore drawing mw thod.

以镜铁山矿为例研究了无贫化放矿方式在矿山应用的若干问题。