1) Collinear Libration Point
共线平动点
1.
Linear Strategy for Positioning of Spacecraft around the Collinear Libration Points;
深空探测器定位在共线平动点附近的线性策略
2.
On Orbit Control of Spacecraft around Collinear Libration Points;
关于探测器定点在共线平动点附近的控制问题
3.
Collinear libration points of the Earth-Moon system are unstable,so spacecrafts need orbit control to stay around them.
共线平动点附近的运动仅仅是条件稳定的,探测器的轨道需要经过控制才能维持在其附近。
2) collinear points
共线点
1.
A collinear pointsbased method to solve the distortion coefficient was presented.
针对这种情况,提出了一种基于空间共线点求解透镜畸变系数的简便方法。
2.
With some examples in plane geometry, the author indroduces how to use Desargues theorem to simplify the proofs of problems of collinear points and concurrent lines.
利用代沙格定理及其逆定理 ,对平面几何的几个共线点和共点线的问题给出简捷的证法。
3) Concurrent lines
共点线
1.
Analysis of Proof Methods for Concurrent lines Collinear Points in Projection Geometry;
射影几何中共点线线共点问题证明方法探析
2.
With some examples in plane geometry, the author indroduces how to use Desargues theorem to simplify the proofs of problems of collinear points and concurrent lines.
利用代沙格定理及其逆定理 ,对平面几何的几个共线点和共点线的问题给出简捷的证法。
4) three points in one straight line
共线点
1.
This thesis is to explain the application of the infinite far element in three points in one straight line,three straight lines through one point and harmonic cutting,obtain a simple method to catogorize curves of second degree by means of infinite far straight line,and discover the interior connections between elementory geometry and aralytic geometry and projective geometry.
阐述无穷远元素在有关共线点、共点线、调和分割等方面的应用 ,并利用无穷远直线得到将二次曲线分类的简单方法 。
5) three point on a straight line
三点共线
6) 3-point on a line
3点共线
1.
Fishburn raised a problem that whether there exists a 4-isosceles 6-point with no 4-point on a circle and no 3-point on a line.
Fishburn提出是否存在无4点共圆、无3点共线的4等腰6元集。
补充资料：共点力
作用在物体上同一点的几个力。在分析物体的受力情况时，常把作平动的物体看成质点，这时物体所受的几个力就可看成共点力。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条