There are two kinds of three-dimensional intersection curves: intersection curves of curved surfaces and intersection curves of curved surface and plane.
针对曲面与平面交线的插补算法进行了研究。
The three basic forms of the curve are as follows: ① when , the horizontal projection curve of the intersection curve is the Booth lemniscate family which isn t confocal.
通过对回转抛物面与圆柱面相交的研究，得出交线的水平投影曲线——为四次代数曲线——Perseus座曲线的结论。
In this paper, through analyzing the relations of cylinder, circular cone with arbitrary plane, the explicit expressions of the intersections are obtained, thus the intersection curves can be drawn simply in original 3D spac.
在三维空间中,要绘出任意圆锥、圆柱和任意平面的交线,一般先选取适当坐标系,得到交线的标准型方程,绘出后,再经过一组坐标变换,显示在当前屏幕上。
The new idea that completing the tool-path interpolation for sculptured surfaces intersection machining in CNC system is presented and realized in this paper.
提出并实现了在ＣＮＣ系统中完成曲面交线加工刀具轨迹直接插补的构想，可极大提高ＣＮＣ系统的几何轨迹控制能力和使用性能。
This paper advances some idea about simplified drawings of intersection lines,marks of dimensions and symbols of sections which are used most often in draft, and discusses their theory and application.
本文就图样中使用最多的截交线、相贯线、尺寸标注、剖面符号等提出了一些简化的设想，并从理论和实际应用上进行了论述。
Computing quadric surface intersection curve is an important operation in computing the boundary representation of a three dimensional object in solid modeling system, and is applied in other geometric processing as well.
计算两二次曲面的交线是立体造型系统计算三维物体边界表示的一个非常重要的操作，同时还可应用在其它的几何处理算法中。
Design of the courseware of the intersecting line of two plane surfaces in teaching of drawing;
制图课中两平面交线课件的设计
Through the analysis of intersecting line of elliptic cylinder and elliptic cone with orthogonal axes,this paper obtains the geometric characteristics of the rightest point on the intersecting line by ellipse arc projection and a simple and practical drawing method determining the rightest point is given.
从椭圆弧投射法的角度出发，通过对正交椭圆柱和椭圆锥交线的分析，找到了交线上最右点的几何特性，由此得到了一种简单而实用的求最右点的作图方法，然后分析并提出了其它二次曲面交线最右点的作图方法
Results\ The darwing method of the special points on the line of intersection is provided.
目的 研究圆柱与圆锥斜交时交线的形状以及作图方法。
Based on the mesh of the vertical post and the crossbeam,the points on the intersection line of the vertical post with the crossbeam ca.
以立柱和横梁的网格为基础,利用直线与平面的相交关系,求出立柱与横梁交线上的型值点,依据无限插值理论生成交线周围过渡区的网格,并完成浮体整体网格的拼接。
This paper proposed a new method to find the intersection line and determine its visibility of two general position planes using overlapped projection lines.
提出用重影线法求解两一般位置平面相交求交线判别可见性的新方法。
The point at which a line, or the curve in which a surface, intersects a coordinate plane.
交点，交线线与坐标平面相交的点或一表面与坐标平面相交的曲线
cross-junction box
交叉接线盒，交叉接线箱
insider trading
内线交易、内幕交易
Line A crosses line B at right angles.
A 线与B 线成直角相交。
The line ab cut the line dc at the point e
AB线和dc线在E点相交
the place where two lines cross AB and CD intersect at(the point)P.
AB线和cd 线在P 点相交.
The line AB cuts the line DC at the point E.
AB线和DC线在E点相交。
Curve Pencil Based Intersection for Degenerated Cases of Curves
直线/NURBS曲线等基于曲线束的求交方法
The threads that run crosswise in a woven fabric, at right angles to the warp threads.
纬线或线纱织物中十字交叉的线，与纵线成直角
marking consisting of crossing lines.
交叉在一起的线的标志。
heavy-tonnage lines of communications
重吨位车辆的交通线
local automatic circuit exchange
市内自动线路交换机
crossover oxide
交叉布线绝缘用氧化物
ATRCC - Air Route Traffic Control Center
空中航线交通控制中心
circuit switch data transmission service
线路交换数据传输服务
fix by radio cross-bearing
无线电测向仪交叉定位
cross float interlock
双罗纹交错浮线组织
Surf-Surf Intersection Curve
曲面与曲面相交求曲线