| 释义 |
concurrent lines
基本例句
共点线
Construct an animation displaying a nephroid sliding along three fixedconcurrent linesmeeting at 120 degrees.建构一动态绘图。展示肾脏线的滚动，沿著共点及间隔120度的三条直线。
This paper discusses the relations betweenconcurrent linestheorem and collinear points theorem of the projection geometry, and obtains their duality relation and equivalence relation.对射影几何中的共点线共线点定理之间的关系进行探讨，给出它们有关的对偶关系和等价关系。 |