In computing physics, the geometry description and input data can considerably affect the result.
在计算物理中，物体的几何描述和输入的正确与否将直接影响着计算结果的正确性。
An integrated product model description which is based on product geometry model, assembly information and could support product engineering analysis is presented in this paper.
本文分析了基于产品几何模型、装配信息，支持产品工程分析的集成产品模型描述。
From the description of complexity and the information facts, has produced the general computational method on geometry knowledge measurement of mechanical component.
本文以制造知识中几何知识为例，从描述复杂度和信息量的角度，给出了机械加工零件几何知识计量的一般计算方法。
A formal description is designed for process chains, determined by the processing of complex 3d geometry models.
描述了过程链的模型设计，复杂的3D几何数据模型的制作说明了这些过程链。
First, a differential geometrical description equation is obtained based on differential geometry theory without the need to estimate the parameter of available time-to-go.
首先，基于微分几何理论，得到了导弹运动的微分几何描述方程，无需估计剩余飞行时间。
Feature is the element of product description, which integrated the information of geometry and manufacturing process.
特征是产品描述的基本单元，它集成了产品几何开头和加工工艺的信息。
But there are only basic info of geometry, topology and partial kinematics in the CAD model in STEP. The description on feature of multi-rigid-body dynamics is hardly blank.
使用现有的产品数据表达与交换标准STEP只能描述CAD模型几何、拓扑和部分运动学信息，对多刚体动力学特征的描述一直是特征模型中的一个空白。
To provide the description work of the geological markers that can be combined with well-logging correlation to understand and gain insights into the geometry and lateral continuity of the coal seams.
通过对地质标志层的特征描述并结合测井资料所做的地层对比，进而深入了解了该区煤系地层的横向展布格局。
In the paper a solution method of nonlinear programming is given by using the theory of description geometry inn dimensions.
本文运用多维空间投影的理论和方法，给出了非线性规划的一个通用解法。
In the paper a solution method of nonlinear programming is given by using the theory of description geometry inn dimensions.
本文运用多维空间投影的理论和方法，给出了非线性规划的一个通用解法。
应用推荐