To do this, we weight the hourly wage for each grade by its proportion of the total labor required to produce the product.

为此，把每一等级的小时工资，以生产这种产品所消耗的该等级劳动量占总劳动量的比重为权数，进引加权。

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A tubular thermoelectric conversion module manufacturable at low cost by a reduction in time and labor required for assembly.

本发明提供了通过减少组装所需的时间和工作量等而能够降低成本的热电转换模块。

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Just as it's easy to underestimate the time and labor required to properly complete a project, hardware costs frequently become a source of trouble.

正如恰当地完成一个项目的时间和人力往往容易被低估一样，硬件成本也经常成为麻烦之源。

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The extra costs and labor required to comply with new regulations will force some firms to give up parts of their business.

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At the risk of sounding ungrateful for the labor required to organize so many kinds of art, this comprehensive show might easily have been improved.

WSJ: Wish You Were Here | Albright-Knox | They Shuffled Off to Buffalo | By Richard B. Woodward

The labor required to make it went down.

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