Three approaches to the graphic representation for lines of intersection are introduced in this article, namely, central projection, parallel skew projection and arc line projection.
本文介绍了图解截交线的三种方法，中心投射法、平行斜投射法、弧线投射法。
It is in a straight-line projection of the two surface analysis of the phenomenon occurred in the film, from its perspective in geometric space, which leads to the definition of affected lines.
对两条直线在某投影面上发生重影的现象进行分析，从空间角度认识其几何位置，由此得出重影线的定义。
Gerardus Mercator's projection, published in 1569, was immediately useful because it depicts a line of constant bearing as a straight line, which is handy for Marine navigation.
福西厄斯•墨卡托的投影于1569年问世，马上就派上了用场，因为它把不变的方位描绘为直线，这对航海非常方便。
Trend is the direction of the horizontal projection of a line, measured clockwise from north.
线倾向：它是直线水平投影的方向，自正北顺时针度量。
Thee students asked:can we make a projection line to the Equator line on a plane?
同学们又问了：我们可以在这个切面上做一个到赤道线的垂线吗？
Draw the projection of the intersection line.
在相交处应画出交线的投影。
This paper introduces the study on omni - directional vision system calibration method using central catadioptric projection property of space line.
利用空间直线的中心折反射投影的特性对全维视觉系统的标定方法进行了研究。
According to the image data possessed, the formation model of equivalent line central projection is adopted to establish the correspondence between image and object space.
根据现有资料情况，确定了采用等效线中心投影的构像模型作为几何处理的数学基础。
A fast orthogonal edge projection algorithm is proposed for real-time inspection of film defects on production line.
为实现对胶片弊病的实时识别，提出了一种正交边缘投影快速检测算法。
This method for the identification of target miss in azimuth makes use of the projection in missile body coordinate system of line-of-sight rate between the missile and target.
研究了利用导引头天线测量的视线角速度在弹体的投影进行目标脱靶方向角识别的原理。
The image subtracting method and the point to arc projection extremum algorithm can derive the pointer and scale marks quickly, and separate the long and short graduation line.
基于差分图像确定投影原点的点弧线投影极值新算法，可快速获取仪表指针和分度线参数，且能区分分度线长短。
In engineering drawing courses, the projection of point, line and surface is the basis of learning physical projection, which is often difficult for beginners to learn.
在工程制图课程学习中，几何元素点、线、面的投影问题是学习形体投影的基础，也是初学者刚开始接触制图知识，学习中容易感觉困难的部分。
The projection of the special points on the intersection line of cylinder with oblique cylinder , of cone with half sphere and of oblique cylinder with cone are determined with the analytic method.
本文用解析法确定圆柱与斜圆柱、圆锥与半球及斜圆柱与圆锥的交线上特殊点的投影。
This courseware is used for finding the position of the endpoint of two intersecting triangles and drawing the surfaces, the isometric projection of the intersecting line and three-plane projection.
两平面交线课件主要功能用于求解各种位置两平面交线的端点、绘制两平面交线的正等轴测投影和三面投影。
Trend is the direction of the horizont al projection of a line , me a sured clockwise from north.
线倾向：它是直线水平投影的方向，自正北顺时针度量。
The model was used to calculate the variations of the canopy shape, the variations of canopy projection area and the tension of the suspension line during the final inflation phase.
利用模型计算了主充气阶段伞衣形状变化、伞衣投影面积变化及伞绳张力。
The relationship between the oblique line and every projection plane included Angle, and It's application on problems proposed and solved were discussed in the paper.
本文论述了一般位置直线与各投影面的夹角相互关系问题及其在命题、解题方面的应用。
A new projected light-lineal light is put forth according to production and actual life, lineal projection on point, line and plane.
并以此为基点，系统地研究了点、直线和平面的线投影。
The drawn intersecting line is similar to the shape of its theoretical projection and can satisfy the requirement of engineering drawings.
所绘交线与理论形状的投影作图十分接近，可以满足工程制图的要求。
Taking the specially designed planar target with the monocular vision system, the projection line of the reference points is built.
以专门设计的平面与单眼视力系统的目标，参考点的投影线内置。
The connected matrix of topological relationships between vertices was renewed by occlusion matrix, and the projection drawing defined by connected matrix had no hidden line.
利用遮挡矩阵更新表示顶点间拓扑关系的连接矩阵，得到不含隐藏线的投影图。
The dissertation proposes a novel method for vector coding, i. e. Vector Projection method, which approximately represents a vector with the orthogonal projection of its endpoint onto a straight line.
提出一种矢量压缩编码新方法—矢量线上投影法，它将输入矢量用它在某条空间直线上的投影近似表示。
Based on the screen coordinate theory of solid diagram of complementary color, a perspective projection diagram of space surface is drawn using floating horizontal line method.
利用求补色立体图屏幕坐标原理，采用浮动水平线法来绘出空间曲面的透视投影图形。
It was found to be just at that part of the cliff which was between the projection at the mouth of the Mercy and a perpendicular line traced above the heap of rocks which formed the Chimneys.
他们发现如果从形成“石窟”的乱石堆上画一条垂直线到地面来，那么“花岗石宫”在峭壁上的位置就正在这条线和慈悲河口峭壁凸出的地方中间。
The conventional cylinder projection requires expensive device cost and is not suitable for dynamic video, against which we proposes an off-line cylinder projection image calibration scheme.
针对柱幕投影设备成本高且不适合视频实时播放的缺点，提出一种离线的柱幕投影图像校正方案。
This method proposes simplified computation of projection matrix and effectively adjusts the successive line iterative sequences.
该算法简化了投影系数矩阵的计算，调整了迭代算法逐线校正的迭代顺序。
The projection of the interface Fresnel zone is up to the acquisition line.
映射菲涅尔带是反射面上菲涅尔带在侧线上的投影。
The projection of the interface Fresnel zone is up to the acquisition line.
映射菲涅尔带是反射面上菲涅尔带在侧线上的投影。
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