1) Multi-point and Common-line
多点共线
2) Multi-spots Sharing
多点共享
1.
Design and Realization of the Multi-spots Sharing Transfering Software based on P2P
P2P多点共享传输软件的设计与实现
3) 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。
4) 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。
5) 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 。
6) three point on a straight line
三点共线
补充资料：多线束均衡X线摄影
多线束均衡X线摄影
X线检查方法之一。以调整多个X线束曝光量的方法改进胸部细节对比的技术。MBER系统使用20个相邻的线束单元在水平方向组成扇形束，垂直方向扫描病人。每个线束单元均有各自的强度调整器和曝光检测器，后者配合电子反馈装置调节相应的调整器以使X线量不完全均匀化，使胸部均匀曝光，胸部影像记录在平面检测器上。当扫描纵隔或膈下时，调整器全部打开，以获得最大X线曝光量，扫描肺野时，仅打开约10%，这样获得的胸部影像能同时将肺野、肺纹理与纵隔及横膈遮盖区的解剖结构显示清楚，提高微小病灶的发现率。
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