“平均几何弦”概念、定义、翻译-科学时代

单词	平均几何弦
释义	航空航天词汇手册 mean geometric chord 平均几何弦
随便看	Changchun Automobile City Changchun Film City Changchun Recreation Palace Changdao Natural Tourism Area change change change change change changeability changeable optics changeable phase object change agent change agent change agent change barrel change bit changed name changed-title serial change equation change file change formula change fund change gear change gear box

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。

mean geometric chord