画三棱柱及表面上各点的三视图。
文中叙述了三棱柱体的单元表达式和边界条件的处理：手法。
The finite element representation of triangular prism and the treatment of boundary conditions ave described.
建立了一种新的三棱柱配位结构伸缩变形和扭曲变形的计算方法。
A new calculating method has been proposed for the elongation and twist of trigonal prism.
下面有六个三视图，请你想象一下各三视图中三棱柱在空间的姿态。
There are six orthographic views. Please imagine the different posture of triangular prism in space.
提出一种基于多层dem与似三棱柱体元(QTPV)的混合三维数据模型。
A hybrid 3d spatial data model based on multi-DEMs and quasi tri-prism volume (QTPV) is proposed.
最后用三棱柱、六面体的混合单元的棱边有限元法求解了一个三维涡流场的算例。
At last, the mixed elements of prism and hexahedron are used to compute a three dimensional eddy-current problem.
提出了三棱柱的体元构造，详细设计了点、三角形、侧面和三棱柱体的数据结构，建立了一定的拓扑关系。
Also this article puts forward the data structure of point, triangle, side face and tri-prism and builds some topology.
本实用新型提供一种由铅笔芯和铅笔体组成的三棱 铅笔，其特征是：在铅笔芯外围设置一三棱柱形铅笔体。
The utility model provides a trigonal pencil which consists of a pencil core and a pencil body, and is characterized in that the trigonal pencil body is arranged on the periphery of the pencil core.
为了解决基于广义三棱柱(GTP)的三维地层模型自动建模问题，提出了一种三维地层构造知识推理规则和建模方法。
In order to solve the 3d automatic modeling problem of strata based on Generalized Tri-prism (GTP), a kind of 3d stratum structure knowledge inference rule and modeling method is put forward.
对模拟影像及实际航空遥感影像进行仿真，结果表明：改进后的三棱柱面法较好地保留了遥感影像的分形特性，计算的分形维数也更为准确。
The simulation results with real aviation remote sensing image show that the improved method effectively keeps the image fractal features and can obtain more accurate fractal dimension.
对模拟影像及实际航空遥感影像进行仿真，结果表明：改进后的三棱柱面法较好地保留了遥感影像的分形特性，计算的分形维数也更为准确。
The simulation results with real aviation remote sensing image show that the improved method effectively keeps the image fractal features and can obtain more accurate fractal dimension.
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