查询词典 plane surface

Based on the plane vector field method and curvature analysis, a robust algorithm of surface intersection is implemented.

本文总结了用平面向量场确定初始跟踪点的算法，给出了使用曲率分析精确计

Keywords: Surface intersection;plane vector field;tracing direction;tracing step.

应用平面向量场和曲率分析，作者实现了高效可靠的NURBS曲面求交算法。

The techniques for obtaining initial tracing points and tracing intersection branches are the most important issues in surface intersection algorithm. This paper reviews the plane vector field method which is exploited to get initial tracing points,and gives the relation between normal curvature and tracing direction.

平面向量场与曲率分析在曲面求交中的应用宁涛，马德昌，王亚平，唐荣锡（北京航空航天大学制造工程系北京100083）摘要在曲面求交算法中，初始跟踪点的确定和交线分支的跟踪是最关键的两个问题。

This study utilized 3-D cinematography analysis and connected with the mathematical principle of perpendicular bisecting plane, and with displacement changes of any two markers that mark the point on the surface of sphere to develop a kind of method to effectively and actually measure the spin rate and the axis of free rotational ball in the sky.

本研究利用3D摄影分析配合垂直平分面数学原理，藉由球体表面上任意两标志点的位移变化，发展出一种有效实际量测出空中自由旋转球体转速与转轴的方法，可提供空气动力学相关研究时旋转测量的重要依据。

Any point on the parting surface should be less than 75°from the principal parting plane.

分模面上任意点与主分模面的夹角应小于 75°。

The only assumption is that each patch of input surface model can be treated as a single-valued function by properly specifying the projection plane.

该方法仅假定表面模型的每个面片在取定适当的投影平面时可看成是一个单值函数。

Projective transformation of curved surface and plane intersecting line are completed based on vector algebra,adopting space coordinate transforming method.

方法基于向量代数，采用空间坐标变换方法，建立了圆锥面与平面相交中截交曲线的形成特点，讨论了二次曲线的构成的数学原理。

The Prandtl coordinate transformation is used to transform the wavy surface into a regular plane, and the obtained equations are then simplified further by the order-of-magnitude analysis to give the boundary layer equations.

用Prandtl 座标转换的观，将波形表面变成一规则的平面，其次用级分析，进一步推导出系统的边界层方程式。

This paper gives a method to measure in-plane strain of skew ruled surface shell by using Moire interferometry of sticking film method.

本文首次提出了应用贴片云纹干涉法和变栅距光栅来测量不可展壳体表面面内位移和应变的方法。

Mechanical watches: hairpin machine, pressure-ray machine, high-speed bud flowers machine, fully automatic machine High bud flowers, foot rubbing bud rubbing wire, copper steel pull Serai material feeder cut,film machine, lap slingshot watchcase ring machine, watchcase Dysosma slingshot machine, shrimp should be a catapult machines, a torsion spring forming machine, flat slingshot machine, tied line straighten machine, milling machine scandium, high-speed nail Zamioculcas machines, high-speed wire forming hit button machine, wire forming machine multi-action, high-speed opening lap machines, closed loop machine, woven chain machine, automatic grinding machine denim chain, the new batch watchcase table flower ring plane, new shall grant strap flower machine, surface CD profile machine, circle bright side of machine,centrifugal machine, claw cup chain automata, Sun Wen machine and so on.

钟表机械：发夹机、压线机、高速芽花枝机、全自动高级芽花枝机、脚踩搓芽搓丝机、铜钢拉茏料切料机、铜扣底片机、表壳响圈弹弓机、表壳八角弹弓机、虾须弹弓机、一次成形扭簧机、扁弹弓机、捆线拉直机，铣钪机、高速扎米钉机、高速线材成型打扣机、多动作线材成型机、高速开口圈机、闭口圈机、织链机、自动磨牛仔链机、新款表壳表圈批花机、新款表带批花机、表面CD纹机、圆圈亮边机、离心溜光机、爪杯链自动机、太阳纹机等等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。