When the truss is large such a calculation of a relative displacement by the laws of geometry becomes excessively tedious.
当桁架很大时，根据几何学定律来计算相对位移就会变成很麻烦的事。
Solutions to problems in descriptive geometry such as finding the relative positions between straight lines between a straight line and a plane, and between planes are found by computerized graphics.
本文介绍用计算机求解画法几何中直线与直线、直线与平面及平面与平面的相对位置问题的方法和程序设计。
In metal cutting, tools and workparts must have certain relative movements during processing in order to achieve geometry needed. The movements include main movement and feed movement.
金属切削技术是利用各种不同的加工方法去除工件材料，获得最终所需的几何形状。
In Jihe bubian (" Complements of Geometry ") Mei calculated the volumes and relative dimensions of regular and semi-regular polyhedrons by traditional Chinese methods.
在《几何补编》里，梅文鼎使用中国的传统方法计算了正多面体和半正多面体的体积和相对尺寸。
Aiming at the solving problem of equilibrium solution of this nonlinear model, geometry theory of differential equations is adopted, and the relative calculation formula is given.
采用微分方程几何理论分析河流综合水质模型的基本方程，探讨了河流综合水质模型的平衡状态解的求解方法，并给出相关计算公式。
Geometry character and invariant character of ship target is analyzed and a united relative invariant moment is used to calculate the feature to meet real-time requirements.
分析了舰船目标的几何特征和不变特征，为满足实时性要求，使用一组统一的相对矩来计算特征量。
The advantages of finite element model transformation relative to geometry model transformation and the ways realized in finite element model transformation were also expatiated in detail.
详细阐述了有限元模型转换相对于几何模型转换的优势，以及其实现方法和途径。
The advantages of finite element model transformation relative to geometry model transformation and the ways realized in finite element model transformation were also expatiated in detail.
详细阐述了有限元模型转换相对于几何模型转换的优势，以及其实现方法和途径。
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