Accoring to the polar theory of conic section, the characteristics of geometrical graphics concerning the conic section is discussed from following three aspects:the conbination of Point and line, harmony of point range and pencil of line, trace of point and enveloping of straight line.
本文根据二次曲线的配极理论，从点、线的结合性，点列和线束的调和性，点的轨迹和直线的包络三方面研究与二次曲线有关的几何图形的性质。
Study on Precise Positioning Method of a Service Robot Based on Three-Point Location They are commonly used in map projections, polar projection, Mercator's projection Lambert conformal conic projection are three of them.
基于三点定位的服务机器人精确定位方法研究导出在极射赤面投影、卡托圆柱投影和兰勃脱正形圆锥投影等算法中确定位置坐标的精确公式。
They are commonly used in map projections, polar projection, Mercator's projection Lambert conformal conic projection are three of them. a projection of the globe onto a cone with its point over one of the earth's poles.
导出在极射赤面投影、卡托圆柱投影和兰勃脱正形圆锥投影等算法中确定位置坐标的精确公式。把地球的投影图做到一个圆锥上圆锥的顶点是地球的一极。
There are three popular map projections in Antarctica-Polar Stereographic Projection, Transverse Mecator Projection and Lambert Conformal Conic Projection.
南极地区常用的地图投影方式有：极方位立体投影、横轴墨卡托投影、兰伯特正形圆锥投影等三种等角投影。
Study on the Miniaturize Dome-screen Projector System for the Flight Simulator; They are commonly used in map projections, polar projection, Mercator's projection Lambert conformal conic projection are three of them.
飞行模拟用小型球幕投影系统的研究导出在极射赤面投影、卡托圆柱投影和兰勃脱正形圆锥投影等算法中确定位置坐标的精确公式。
An Application of Polar Correspondence to Drawing Conic by Mechanism
应用配极对应绘制二次曲线在机构上的实现