英汉例句

• this paper presents a three-dimensional planar projection lines method of two intersecting lines and judged visibility the new methods.

  提出了用重影线法求解两个平面立体的相贯线并判断可见性的新方法。

• a great many intersecting lines exist among steel tube truss structure but the traditional manual-lofting cut can no longer fulfill the requirement for precision and mass production.

  钢管桁架结构中存在大量的钢管相贯连接节点，传统的人工放样切割已经不能满足精度和工厂化生产的要求。

• for the first class of elliptic systems, the problem given analytic data on two arbitrary intersecting lines is well-posed if condition (d) is invalid;

  本文讨论了第一类椭圆组的一个定解问题，证明了：如果条件（d）不成立，则在任意两条相交直线上给出解析数据的定解问题是适定；

• the principle of trace control for intersecting lines is introduced. the error analysis and the software design which improves the quality of interpolation are described.

  提出了数控加工相贯线的轨迹控制原理，分析了加工误差，并对提高插补质量的控制软件设计作了介绍。

• the algorithm makes full use of geometric information of intersecting lines to speed up the calculation according to the arc height tolerance.

  在跟蹤求交的算法中充分利用了交线的几何特性，按等弓高误差快速精确地求取曲面上的交线。

• through the intersection test of the triangles, the intersecting lines could be obtained and the intersecting lines topology relations with the triangles could be established.

  接下来求出两相交三角形之间的交线，建立与三角形的交线拓扑关系；

• this paper presents the way of changing coordinates in program design, locating the endpoints the intersecting lines and solving the problems with visibility of three—plane projection.

  文中主要介绍了程序设计中的坐标变换、交线端点的求解，以及在三面投影中可见性问题的解决方法。

• development of ecm system for machining round corner for intersecting lines of holes in polymer-injecting pump;

  圆柱体与孔正交相贯线处的等宽倒角，现今还没有成熟的加工方法。

• besides, according to the expression mentioned above an accurate projective curve of intersecting lines can be drawn by a computer.

  而且据解析式还可在计算机上绘出相贯线投影的準确图形。