该DLL并不是开源软件，其作用是进行几何解释。
This is not open source and is used for interpreting the geometry.
初步研究结果表明，用分形几何解释某些岩土问题是十分有效的。
The result of study shows that applying the fractal geometry to explain some problems in geotechnology is very effective.
微分的定义步骤有一个几何解释，最简单的观念就是一条曲线的切线。
The procedure used to define the derivative has a geometric interpretation which leads in a natural way to the idea of a tangent line to a curve.
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