“Lei Si”的概念、定义、翻译、参考文献-科学参考

单词	Lei Si
释义	Lei Si Encyclopedia 文学白贲释 Lei Si雷思（？～1186？）中国金代中期文学家。字西仲，号学易先生。
随便看	proper nilpotent element proper node proper non-inferior solution proper nonvoid subset proper number proper open covering proper order dictionary proper orthochronous Lorentz group proper orthogonal group proper orthogonal mapping proper orthogonal matrix proper orthogonal transformation proper pair proper pairing proper part proper plane proper point proper point of inflection proper polarization proper polynomial proper prefix proper principal minor proper product proper property proper quadric

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。