To estimate the geometric characteristics, especially wet areas and section areas, of three dimensional numerical conceptual aircraft models, a method based on surface elements is proposed.
为了获取三维数值化概念机模型的浸润面积和横截面积等几何特性,本文提出了一种基于离散化面元的估算方法。
Geometric shape is irregular polygon-shaped, not parallel to the surface to bulk, which shows the characteristics of the atmosphere of Stone Arts.
外形为不规则的多边形几何状,没有平行的面,以大块为主,显示出大气的石艺特点。
In this paper, the geometric characteristics of worm drive with double enveloping arc surface machined by datum-plane tool are stated.
本文阐述了平面二次包络弧面蜗杆传动的几何特征,引用数学方程对这些特征加以说明,进而提出了啮合参数选择原则。
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