“fir”的概念、定义、翻译、参考文献-科学参考

单词	fir
释义	fir Encyclopedia 农学〔用材树种〕释 fir冷杉松科（Pinaceae）冷杉属（Abies）植物的统称。常绿乔木，树干端直，树形优美，是高山地带的顶级群落组成树种，也是很好的园林绿化观赏树种。理学裸子植物释 fir冷杉属裸子植物松目松科的一属。 Mathematics ＞代数学＞环论＞释义 free ideal ring (fir)自由理想环 fir = free ideal ring自由理想环
随便看	permutation identity permutation index permutation inversion permutation involution permutation matrix permutation of arguments permutation of a set permutation of codes permutation of columns permutation of elements permutation of indices permutation of numbers permutation of planar on shell diagram permutation of planar on-shell diagram permutation of planar onshell diagram permutation of rows permutation of variables permutation operator permutation pattern permutation pseudo-tensor permutation rank permutation relation permutation relationship permutation representation permutation representation of a group

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。