On the basis of coal practice, grey system theory is used and classified index system is set up.

根据煤矿生产实际，应用灰色系统理论建立了井下劳动环境聚类指标体系。

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The indexes include overall index, classified index, item index and a number of sub-item indexes.

综合评价指标体系包括总体指标、分类指标、分项指标以及若干个子项指标。

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But for obese people, classified as those having a body mass index (BMI) of 30 or above, the risk soared.

对于体重指数在30以上的过度肥胖人群其患病风险还要高得多。

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The CFTC recently announced several measures to increase market transparency, including more information sharing between U.S. and European markets and a re-examination of how certain index traders are classified.

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Across the country, a bout a third of all adults are classified as obese, meaning that they have a Body Mass Index (BMI) of 30 or higher.

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When countries were classified in 1990 by their status in the United Nations Human Development Index (an index of income, literacy and health), high-development countries achieved robust and stable economic growth during 1990-98, with average growth rates of around 2.3% a year and with 35 out of 36 countries enjoying rising living standards.

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