Based on a configuration theory and first of all with triangular elements serving as an object of study along with a release of angle constraint, an economic analysis was conducted of a given area for the purpose of minimizing total freight charges.
根据构形理论，首先以三角形单元体为研究对象并释放角度约束，对给定区域进行以总运输费用最小为目标的经济学分析；在此基础上，将三角形单元体组装成新的矩形构形体，进行同样的经济学分析；持续类似工作，得到了完整的解析解。
A novel approach is studied to fit smooth B-spline patch surfaces by giving an example of the bi-cubic B-spline surface reconstruction for the triangular mesh of the airplane configuration parts.
综合考虑曲面重建时的拟合精度、曲面片拼接处的连续性和曲面的光顺性等因素，以三角网格模型的双三次 B样条曲面重建为例，研究了飞机外形件三角网格模型的分片光滑 B样条曲面重建方法。
Three kinds plane valence bond structure end space configuration (octahedron, tetrahedroid, triangular pyramid, and so on) of the inorganic oxyacid are introduced in this paper.
本文介绍无机含氧酸的三种平面价键结构和空间构型&八面体、四面体、三角锥形、平面三角型等。
The main work includes: Truss structure with triangular cross section is chosen as the fundamental configuration.
主要研究工作包括：开展了三角形截面复合材料整体桁架结构单元的基本构型设计研究。
MHD equilibria of tokamaks with a droplet-shaped cross section (an elliptic cross section with some triangular deformation) have been dealt with in this paper, all equilibrium solution and the current distribution in external coils required by producing the appropriate configuration are presented.
本文研究了带有滴形截面的托卡马克磁流体平衡问题，给出了靠外线圈维持这种平衡所需的电流分布和整个自洽平衡解。
Some nonlinear systems can be transformed into special triangular configuration systems by a diffeomorphism and a feedback transformation under certain conditions.
某些非线性系统在一定条件下可以通过微分同胚与状态反馈变换为具有三角形结构的系统。