2) Fingerprint ridgelines
指纹纹线
3) linearity crack
直线裂纹
1.
Triangle crack,linearity crack and slag eye are main form of surface wrapped slag in continuously cast billet.
三角口裂纹、直线裂纹和渣孔是连铸坯表面夹渣的主要表现形式。
4) 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。
5) Double thread
双线螺纹
1.
Improving the thread pitch precision of double thread;
如何提高双线螺纹的螺距精度
6) fingerprint white line
指纹白线
1.
The occurrence of fingerprint white lines in Gelao nationality;
仡佬族成人指纹白线的研究
补充资料：线纹
线纹 古代陶器纹饰。是用缠绕细线的拍子拍印陶坯表面造成的纹饰，表现为线纹的规律性排列，排列方向或横或竖或斜。仰韶文化的平唇直口凹腰尖底陶器上多见线纹。
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