此法采用不等间隔的网格，将置于柱坐标系中的半无限介质进行离散化。
According to this method, a half infinite medium located in cylindrical coordinate system is made discrete by adopting unequal interval mesh.
该模型考虑了多种介质、开挖过程和施工顺序的模拟以及地表因素的半无限平面等问题。
This model has considered many sorts of medium, the simulation of excavation process and construction sequence, and the semi - infinite plane of surface factor as well.
首先模拟分析半无限大介质模型中的荧光，认为最终逸出组织表面的荧光在组织中的产率是深度的函数；
We found that the flux rate of fluorescence in tissue is the function of the depth on the assumption that tissue is semi infinite media.
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