“交替”的概念、定义、翻译、参考文献-科学参考

单词	交替
释义	交替 alternate interchange intersperse reciprocate replacement
随便看	variable draw motion variable drive variable-drive power takeoff variable-drop device variable drop device variable-drop mechanism variable-drop pinion variable duration impulse system Variable Earnings Program (VEP) variable eccentric variable electronic shutter variable element variable elements of semi-variable costs variable elevation beam variable elevation beam-antenna variable error variable evaluation variable excitation variable expansion variable expansion valve variable expense variable expense ratio variable factor variable factor input variable factory over head

科学参考收录了1248194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。