A kind of synthesizing method for accurate trace guiding mechanism of straight lines and circles;
一种精确直线、圆轨迹导引机构的综合方法
A universal algorithm for tracing straight line;
基于矢量空间的直线跟踪算法
Designs for presentation of straight line and line segment;
《直线和线段》导课设计种种
Study on the Judgement of Two Lines Relative Position;
判断二直线相对位置问题的研究
Analysis of structure design and control of a linear switched reluctance motor[LSRM];
直线开关磁阻电机的结构设计与控制
Drawing and Clipping of Lines and Curves;
直线和曲线的生成与裁剪
This paper introduces the method of route survey using RTK GPS and discusses the matter of precision of the beeline.
本文介绍采用RTKGPS进行线路测量方法,分析影响直线精度因素及具体作业。
Turned the distance between the space point and the beeline and the distance between the two beelines which are not in the same plane into the maximum of the distance between the point and the plane pencil.
将空间点到直线的距离和2条异面直线间的距离转化为点到过直线的平面束距离的最大值,给出了计算公式,并讨论了应用平面束方程的一点注记。
This beeline displacement sensor is based on the principle of electromagnetism influ- ence,using film inductance coil twisted on the cylinder to get a high frequency electromagnetic field,and it has two coils with the same parameter.
直线位移传感器基于电磁感应的工作原理,由卷绕在圆筒上的薄膜电感线圈形成一个高频振荡电磁场,共有两组参数完全一致的线圈。
A general synthesis model of mixed-point straight-line linkage in the general condition was established,and some key parameters in the equations were solved.
采用解析法建立了一般情况下混合点近似直线机构综合的通用数学模型,并给出了方程中关键参数的求解方法。
Based on the synthesis theory concerning the mixed point straight-line four-bar linkage in the special condition, a research method with the circle center and circle point as parameters is proposed.
对在特殊条件下混合点直线四杆机构的综合进行了研究,以圆心、圆点坐标为研究 混合点直线四杆机构的参数,推导出一般条件下的综合公式并用实例验证了公式的正确性。
Based on the double-faced projection drawing of a space plane,this paper analyzes the relative position of the space plane to an observer,compares the coordinates of the two end points of a straightline segment and puts forward a method for visibility discrimination in the line-plane and plane-plane intersection problems.
依据平面的两面投影，分析空间平面相对观察者的位置情况，通过比较直线段两个端点坐标，给出一种解决直线与平面以及两平面相交问题中可见性判别的新方法。
To arrange in or form a line.
排成直线，形成直线
Line ab be twice longer than line cd .
直线AB比直线cd长2倍。
in alignment (with...)
(与…) 成一直线
Of, relating to, or resembling a line; straight.
线的，直的线的、与直线有关的或象直线的；直的
In a vertical or perpendicular line.
垂直地在一条垂直线或竖直线上
draw a line perpendicular to a given line
作一直线与已知直线垂直
Arrangement or position in a straight line or in parallel lines.
直线排列直线或平行线的排列或位置
In, of, describing, described by, or related to a straight line.
直线的直线本身的、直线的、描述直线的或用直线描述的或与直线有关的
A vertical or nearly vertical line or plane.
垂直线，垂直面垂直或近似垂直的线或平面
straight-in approach
(飞机) 直线进场
out of alignment (with...)
(与…) 不成直线的
conjugate lines in a conic
二次曲线的共轭直线
ideal straight line
理想直线（线性ＡＤＣ或ＤＡＣ的）
down-the-line shot
沿边线打击的直线球
the movement of the pointer or pen of a measuring instrument from its zero position.
从直线或指定路线偏转。
Radio waves travel in straight lines.
无线电波是直线传播的。
Something vertical, as a line, plane, or circle.
垂直物垂直的东西，比如垂直线，垂直面或垂直圆
Straight, closing and archipelagic baselines
直线基线、闭合基线和群岛基线