regular prism

In this paper, the regular tetrahedron algorithm and the n-side regular prism algorithm were discussed, according to the geometric properties of spheres and polyhedral angles and by using the method of stepwise covering.

利用球面和多面角的几何性质，采取逐步覆盖的方法，讨论了球内接正四面体、正n棱柱算法，在这个基础上，提出菠萝形算法和球冠逐步覆盖法。

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An Approximate Solution of the Natural Frequency to the Regular Prism in Quiescent Fluid by the Perturbation Method

用摄动法求静止流体中二维正棱柱体固有频率的近似解

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A regular eight-angular prism simulative target for calibrating the shooting range coordinate is designed.

设计了正八棱柱模拟靶对靶场坐标系进行标定；

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Then by taking the regular square prism as an example, the machining error is analyzed, and the relationship among the length of the lathe tool, the work dimension and the tolerance is obtained.

螺纹自动退刀安全防撞装置以车削正四棱柱为例，进行了误差分析，得到了刀具长度与工件尺寸和容许误差间的关系。

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This thesis finds an approximate solution of the natural frequency to the regular prism in quiescent fluid by the perturbation method, hence avoiding the difficulties in finding its exact solution by a direct way.

本文用摄动法求解了二维正棱柱体在静止流体中固有频率的近似解，从而避免了直接求其精确解所遇到的困难。

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A new method to verify angle error of regular polygonal prism by goniometer

用测角仪检定正多面棱体角度误差的新方法

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The torque force section is changed to a regular hexagonal prism from a regular quadrangular prism.

是以由引入段、切削段、锥杆段和扭力段组成的丝锥组成的。

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By using tri-prism on regular grid, 3D stratum visualization system is developed by Microsoft Visual Studio.

采用规则网格三棱柱模型，开发了三维地层可视化系统。

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