从技术角度来说，它是用单位人工或者单位工作时间来衡量的单位产出与单位投入的比率。
Technically 2 it is the rate of output per unit of input 3 measured per worker or by the number of hours worked.
从技术角度来说，它是用单位人工或者单位工作时间来衡量的单位产出与单位投入的比率。
Technically 2 it is the rate of output per unit of input 3 measured per worker or by the number of hours worked.
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