“plane bed”的概念、定义、翻译、参考文献-科学参考

单词	plane bed
释义	plane bed [`plān ´bed] ^GEOLOGY A sedimentary bed without elevations or depressions larger than the maximum size of the bed material.
随便看	principal E plane principal focus principal function principal homomorphism principal H plane principal ideal principal ideal ring principal item principal line principal lobe principal meridian principal mode principal moments principal normal principal normal section principal part principal plane principal plane of stress principal point principal quantum number principal radii principal radii of normal curvature principal ray principal root principal section

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。