“qing vs. zhong”的概念、定义、翻译、参考文献-科学参考

单词	qing vs. zhong
释义	qing vs. zhong Encyclopedia 文学摄释 qing vs. zhong; light vs. heavy轻重音韵学用语，具有对立意义的概念。
随便看	focal axis focal chord focal circle focal conic focal conic defect focal conic texture focal cubic focal curve focal developable surface focal distance focal distance, focal length focal ellipse focal extender focal hyperbola focal image focalization focalizer focal length focal length factor of photographic lens focal length measurement of optical part and optical system focal line focal manifold focal mechanism focal mechanism solution focal mechanism solution parameters

科学参考收录了854744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。