Wear resistance is a key index of quality for roller chain.

滚子链耐磨性能是链条产品一项重要的质量指标。

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Total copper content in HDE is one important index of quality.

总铜量是HDE的一个重要的质量指标。

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Conclusion: the active components of HangJinju decoctions can be used as the index of quality control.

结论：黄金菊汤剂中4种药效组分可作为其质量控制的科学指标。

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Dr.Kausalya Pendyal tells her patients in Richmond, Virginia before they go outside to check the Air Quality Index - a U.S.government assessment of pollutants in the air.

VOA: standard.2010.08.04

This allows price rises due only to higher quality to be knocked out of the index.

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Indeed, the United Nations has developed a measure of quality of life called the Human Development Index ( UN HDI).

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The second most blissful job is senior quality assurance engineer, which earned an index score of 4.23.

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