“labor factor”的概念、定义、翻译、参考文献-科学参考

单词	labor factor
释义	labor factor [`lā·bǝr ´fak·tǝr] ^{INDUSTRIAL ENGINEERING} The ratio of the number of hours required to perform a task under project conditions to the number of hours required to perform an identical task under standard conditions of work measurement.
随便看	fourth dimension fourth-generation computer fourth-generation language fourth-power law fourth proportional fourth quadrant fourth sound four-track tape four-vector four-vector potential four-velocity four-way dip four-way reinforcing four-way switch four-way valve four-wheel drive four-wire circuit four-wire line four-wire repeater four-wire subscriber line four-wire terminating set fovea fovea centralis foveal vision foveola

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