1) reform
共线改造
2) collineation
共线
1.
According to definitions of the complete quadrangle,the harmonic point range and the harmonic line pencil,the proposition of Desargues,the converse proposition of Desargues and the proposition of harmonic conjugates can solve the problems of 3-line concurrence,4-line concurrence,3-point collineation,4-point collineation,5-point collineation,and 6-point collineation.
由完全四点形、调和点列或调和线束的定义,Desargues命题、Desargues逆命题或调和共轭定理,解决了三线共点、四线共点,三点共线、四点共线、五点共线或六点共线的问题。
3) collinear
共线
1.
The proof of some propositions on points collinear in elementary geometry with vector mothod;
用向量法推证几个有关点共线的初等几何命题
2.
The last we proof points of intersection being collinear.
文章首先证明了巴卜斯定理的特殊情况,然后利用此特殊情况及巴卜斯定理作了四个推广应用,最后将巴卜斯定理的原来三点共线推广到了六点共线,再推广到12n(n-1)个交点共线。
4) Common line
共线
5) collinear and non-collinear difference frequency generation
共线、非共线差频
6) collinear cracks
共线裂纹
1.
By means of the complex variable function method and introducing the conformal transformation,the anti-plane shear problem about two semi-infinite collinear cracks in one-dimensional hexagonal quasicrystals was investigated and the exact solution to mode Ⅲ SIFs was found out.
利用复变方法,通过引入适当的保角映射,研究了一维六方准晶狭长体中双半无限共线裂纹的反平面剪切问题,给出了Ⅲ型裂纹问题的应力强度因子的精确解。
2.
The anti-plane problem for a functionally gradient magneto-electro-elastic strip containing multiple collinear cracks perpendicular to the boundary is investigated.
该板具有多个垂直于边界的共线裂纹。
3.
Atfirst,stress and displacement at the end of collinear crucks are calculated by elasticity me-chanical method,then general solution of twist force at the end of collinear cracks is givenby rotation theory,single crack and double cracks are discussed emphatically.
本文计算并讨论了忽视旋转的传统理论所不能给出的裂纹端部场与场源的相互作用，首先利用弹性力学方法计算了共线裂纹组端部的应力场及位移场，然后应用旋转理论给出共线裂纹组端部的扭转力通解，对单裂纹和双裂纹情形做了重点讨论。
参考词条
补充资料：共线向量
共线向量
coUinear vectors
共线向t[以unear ved以活;Ko几月。ueap~aeKTop曰] 处于一条直线或一些平行线上的向量.为使两个非零向量是共线的，其必要和充分条件是它们的坐标成比例.零向量同任何向量都是共线的，类似地，处于一条直线上的点也称为是共线的
说明：补充资料仅用于学习参考，请勿用于其它任何用途。