“test group”概念、定义、翻译-科学时代

单词	test group
释义	航空航天词汇手册 test group 发射工作队
随便看	principal parallel principal part principal partition principal part of a differential operator principal part of an infinitesimal principal parts principal plane principal plane principal plane principal plane principal plane principal planet principal planet principal point principal point principal point principal point principal point principal point principal point error principal point of photograph principal point of photograph principal polarization plane principal position principal quantum number

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。

test group