“主丛”概念、定义、翻译-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

单词	主丛
释义	数学词汇手册主丛 principal bundle
随便看	operational requirement operational research operational research operational research operational research operational research operational research operational research operational research operational research (OR) operational reserve operational reserve operational reserve operational risk operational route map operational scale operational sortie operational space operational standoff range operational support operational taxonomic unit operational theory of meaning operational thinking operational thinking operational transparency