基于大约20年的历史数据，研究表明，到2030年将有多达48%的英国男性会肥胖——身体质量指数超过30——相对于现在的26%来说。
Based on around 20 years of historic data, the study says that by 2030 as many as 48% of British men could be obese - having a body mass index of more than 30 - as against 26% now.
地位指数是立地质量相对于具体树种的数量化反映，也是森林经营和收获预估的重要依据。
Site index is not only the quantity reflection of the of site quality of different species, but the important basis of forestry management and harvest.
水环境质量评价指数法是根据水质组分浓度相对于其环境质量标准的大小来判断水的质量状况。
Composite index analysis is based on the relative concentration of quality components in its environmental quality standards to judge the pollution levels of the water-quality status.
通过对不同形式的离心级联进行丰度计算，得到任意两种组分间的全分离因子与它们的相对分子质量之差成指数关系。
Analysis of the filtered experimental data gave an exponential relationship between the overall separation factor of the cascade and the relative molecular mass differences.
山体坡面不同坡位下土壤质量综合指数(P i)研究表明土壤质量指数随山体坡面位置相对海拔高度的降低而增高。
The research of the composite index number (PI) of soil quality in different soil locations suggests that, the soil quality index increases as the altitude of mountain slope location decreases.
山体坡面不同坡位下土壤质量综合指数(P i)研究表明土壤质量指数随山体坡面位置相对海拔高度的降低而增高。
The research of the composite index number (PI) of soil quality in different soil locations suggests that, the soil quality index increases as the altitude of mountain slope location decreases.
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