“motion and time study”的概念、定义、翻译、参考文献-科学参考

单词	motion and time study
释义	motion and time study Encyclopedia 理学时间动作研究释 motion and time study动作与时间研究以设计最佳工作方法为目的对作业动作和时间进行的测定和研究。又称工时学、工作研究、作业研究。由动作研究和时间研究两部分组成，前者的目的是改善工作方法，后者的目的是建立标准时间。
随便看	sequence of lattices sequence of levels sequence of likelihood ratios sequence of mappings sequence of natural numbers sequence of numbers sequence of partial sums sequence of points sequence of positive type sequence of quotient groups sequence of random variables sequence of rational numbers sequence of series sequence of sets sequence of signs sequence of statistics sequence of stellar spectra sequence of sub-dwarfs sequence of sub-giants sequence of subsets sequence of supergiants sequence of symbols sequence of tests sequence of transfinite cardinals sequence of transfinite numbers

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