量比指标，依据的是即时每分钟平均成交量与之前连续5天每分钟平均成交量的比较，而不是随意抽取某一天的成交量作为比较，所以能够客观真实地反映盘口成交异动及其力度。 从操盘的角度看，量比指标直接反映在区中，其方便快捷胜过翻阅其他的技术指标曲线图。
土壤微生物生物量C和N及其C/ N比是反映土壤质量的重要生物学指标。
Soil microbial biomass carbon, nitrogen and its C/N ratio are the important biological indicators characterizing soil quality.
阐述了火山灰活性、烧失量、细度和需水量比等品质指标对粉煤灰质量的影响，对粉煤灰品质提出了要求。
Effects of quality index, which are volcanic ash activity, loss on ignition, fineness and water demand ratio, on quality of fly ash are expatiated, the requests to quality of fly ash are put forward.
估计和评价植被蒸散耗水时，用叶面积指数或叶生长量指标可能比密度更符合生物学逻辑。
The LAI and leaves biomass may be better indicators than density for estimating and evaluating water consumption of vegetation, since it is more biological based.
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