查询词典 projection

Based on the existed method for interpreting line drawings, we put forward a kind of recursive method for computer interpretation of line drawings under orthographically axonometric projection. Our method can be used to interpret to the hidden-parts-drawn and the natural line drawings.

在已有基于点与平面的相对位置关系解释线框图研究成果的基础上，提出一种计算机递归解释线框图的方法，主要针对的是正轴测投影线框图的计算机解释。

According to the pinciple of different axonometric projection at different angles, Visual Lisp can be used to make programs.

依据不同视角得到不同轴测投影的原理，用VisualLisp编程，以视角为变量，连续变化，每个视角下得到的轴测投影图经过消隐后，生成轴测投影动画，所形成的文件大大减小。

Based on the correlative constraints between vertices and straight lines on a planar object, we have proposed a new recursive method for computer interpretation of linedrawings under orthographically axonometric projection.

在建立了相关约束关系式的基础上，提出一种基于点与直线的相对位置关系递归解释线框图的新方法，主要针对的是正轴测投影线框图的计算机解释。

In engineering drawings,horizontal oblique axonometric projection of shade and shadow on spheric surfaces can be drawn only in special light ray directions and by approximate methods,causing great trouble.

工程图学中，用传统的作图方法求圆球及阴影的水平斜轴测投影，只能在特殊光线方向下，用近似方法绘制，且作图非常麻烦。

An improvement has been carried out on the generation method of 2D engineering drawing from 3D model in AutoCAD, and formed an intact methodology and skill of generating axonometric drawing and multi-planed orthogonal projection drawing from 3D model.

对AutoCAD中由三维模型生成二维工程图的方法进行了改进，形成由三维模型生成轴测图和多面正投影图的完整方法和技巧，这种方法所得到的轴测图和正投影图，可以对其更加方便地进行各种编辑，是一种适用的方

This paper presents the optical illusion of the ambiguity axonometric projection and the deformation of the stereogram, and use many courses knowledge to analyse the cause then get some important conclusions.

针对观看体视投影图出现体视合像变形、非单义性轴测投影图的视错觉，运用多学科的知识来分析原因，探讨消除对策，得到了一些重要的结论。

Based on axonometric projection and software platform of AutoCAD,through Visual Lisp programming,the animation of movements of crank block mechanism is realized with a user-friendly interface.

解析法需要大量的数据计算，需要编制程序才能进行。因此，实际工程中大多使用作图法进行设计。

Shade and shadow of spheric surface ; horizotal obligue axonometric projection ; light rays ; visibility

圆球的阴影；水平斜轴测投影；光线方向；可见性判别

Visualization of a axonometric projection conforms to the law of identity of imaginal thinking, If conforming to the law of identity, it have to conforms to the principle of similarity 、continuity and proximity.

轴测投影的直观遵循形象思维的同一律，而要遵循同一律，又必须遵循相似原则、连续原则、接近原则，符合三原则的图形看上去位于同一平面。

A measurement system control and data processing software is composed with 4 modules, namely, parameters setup module, sampling control module, data processing module, and 3D display module which can illustrate the 3D profile of the inside surface of barrels with normal axonometric projection and cabinet drawing.

该软件分为参数设置模块、采样控制模块、数据处理模块和三维表面显示模块，可实现采样过程的动态显示，并能以正等测和斜二等测两种投影方式向用户展示被测表面的三维形貌。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。