“trough”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	trough
释义	数学词汇手册 trough 凹点
随便看	angle of capillarity angle of climb angle of commutation angle of contact angle of contact angle of contingence angle of convergence angle of crossing angle of crossing angle of current angle of declination angle of declination angle of declination angle of deflection angle of deflection angle of deflection angle of departure angle of departure angle of depression angle of depression angle of depression angle of detective field of optical fuze angle of deviation angle of deviation angle of diffraction