“effective time”的概念、定义、翻译、参考文献-科学参考

单词	effective time
释义	effective time 有效工作时间有效时间
随便看	operating engineer operating environment operating equipment operating expenses operating experience operating factor operating flexibility of tray operating floor operating fluid operating force operating fork operating frequency operating front aperture operating function operating fund operating funds operating gallery operating gear operating gearing operating grip operating guide operating handle operating holding company operating house operating illumination

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。