“work-break exercises”的概念、定义、翻译、参考文献-科学参考

单词	work-break exercises
释义	work-break exercises Encyclopedia 教育学学校体育学释 work-break exercises工间操机关、企事业单位和社会团体中的员工每天在工作时间内抽出一定时间集体进行以徒手体操为主、并常伴有背景音乐和口令指挥的健身活动。
随便看	Period period period-age relation period-amplitude relation period analysis period and date periodate oxidation periodate titration period basis period boundary condition period change period-color relation period conjecture period-density relation period determination period discontinuity period domain period doubling period doubling bifurcation period-doubling bifurcation period-eccentricity period expense of books period gap period group period health examination

科学参考收录了854744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。