Point-Based Rendering uses discrete and crowded point cloud to represent the surface of model, and it's goal is to reconstruct a continuous and equivalent surface from the point cloud.
基于点的绘制技术使用离散的三维密集点云来表征模型表面，目标是采用点元作为基本绘制单元在三维密集点云中重构出连续、视觉等价的模型表面。
The equivalent circuit model gives the instantaneous relationship between the sheath thickness and the surface potential at an insulating substrate placed on the pulse-biased electrode.
模型包括离子连续性方程、动量方程和泊松方程，特别是提出了可以自洽地决定绝缘基板表面电势、表面电荷密度和鞘层厚度关系的等效电路方程。
A mathematic model using equivalent surface shear force method for simultaneously simulating excavation and soil nail reinforcing process is proposed in the paper.
给出了一种可同时模拟基坑开挖和土钉加固过程的等效面力法——剪力法。
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