5月24日，经合组织(OECD)发布了衡量幸福的一种替代性方法，其中包括在其34个成员国中横跨11个方面的20种不同的指标，从生活满意度到空气污染程度。
On May 24th the OECD launched its alternative measure of well-being which includes 20 different indicators across 11 sectors in its 34 member countries, from life satisfaction to air pollution.
水中的溶解氧可反映水体受污染的程度，是水质监测的一项重要指标。
Dissolved oxygen in water reflects degree of water polluted, it is one of the important indexes in water monitoring.
化学需氧量是评价水体有机污染程度的综合指标，也是水质监测的一个重要参数。
Chemical oxygen demand is an integrative index for evaluating the degrees of organic pollution in water, and is also one of the important parameters in water monitoring.
本文通过水质生物监测中的生物学指标的讨论，较准确的反映被监测水体的水质状况，进而对水体有机污染程度作出客观地评价。
We discuss water quality of water body with biologic index in biology monitoring of water quality, and make objective evaluation to organic pollution of water body.
研究建立了土壤中水溶性氟化物的分析方法，提出以土壤中水溶性氟化物为指标，评价地热利用后，尾水对土壤污染的程度。
An analytical method for soluble fluorides in soil is established and soil pollution is evaluated after terrestrial heat utilization by using soluble fluorides as index.
化学需氧量(COD)是表征水体中有机物污染程度的一个综合性指标。
Chemical oxygen demand (COD) is a synthetical indicator which represents the degree of organic pollution in water.
化学需氧量(简称COD)是水质污染程度的代表性指标。
Chemical Oxygen Demand (COD) is the representative index of sewage water.
现在主要污染物的范围包括二氧化硫和化学需氧量，为一个衡量水污染程度的指标。
The current scope of major pollutants includes sulfur dioxide and chemical oxygen demand, a gauge of water pollution.
结果表明，该方法综合考虑了各污染指标的严重程度。
The results show the seriousness of each polluted quota has been taken into account.
生化指标能更灵敏地反映环境污染的状况和危害程度，日益成为环境领域研究的热点。
Biochemical indices are more sensitive to reflect the damage caused by pollutants in the environment, and thus have attracted increasing attention in the environment field.
生化指标能更灵敏地反映环境污染的状况和危害程度，日益成为环境领域研究的热点。
Biochemical indices are more sensitive to reflect the damage caused by pollutants in the environment, and thus have attracted increasing attention in the environment field.
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