研制组在流行病学调查研究的基础上，综合分析国内外资料，对标准中的健康危害指标及其判定值的制订依据进行了论证。
On the basis of epidemiological study and literature review, the scientific bas is for indicators of health effect and judgement value of those indicators in discriminant standard have been proved.
科学家们已经设定了一些主要环境指标的安全阈值，而一旦超出这些值，将会危害到地球物种的生存。
Scientists have set thresholds for key environmental processes that, if crossed, could threaten Earth's habitability.
除了身体形态作为一个指标，对健康的危害，有一个测量称为身体质量指数(BMI)表示，期待在比例身体，看看是否健康风险是可以预测的。
Besides body shape being an indicator of health risk, there is a measurement called the body Mass Index (BMI) that looks at the proportions of the body to see if health risks can be predicted.
结论平均等效声级可以作为评价和比较工业企业的噪声危害程度的综合指标。
Conclusion the average equivalent sound level maybe as comprehensive index to evaluate the noise hazard in industrial enterprises.
对电能质量指标偏离产生的危害进行经济评估，有助于合理采用相应的改善措施。
The economic evaluation on the damage caused by index deviation of the power quality is helpful to adopt proper improving measures.
本文分析了温度与粮食产量的关系，指出了作物遭到低温危害的原因、类型、指标及其地域分布规律。
In this paper the relationship between the temperature and crop yield was analysed and the causes, types, indexes and distribution of low temperature damage on crops were noted.
在地形等因子不变条件下，四个土壤指标的协同作用决定了区域水蚀过程、形态和危害；
The coordinate effects of four soil indexes strictly determine the regional differences in water erosion process, shapes and harms.
文章是在已有的研究成果基础上，结合泥石流的活动特征、泥石流危害对象特征，提出了六大评价指标；
Based on the existing achievements of the studies of debris flows, their features of activities and their victims, the paper puts forward six appraising norms.
在短时间内降低了虫口密度，消除苍蝇危害，经过近5年努力，各项指标达到了全国爱卫会规定标准。
The density of flies decreased in short time and the harm of fly was eliminated. Every index reached the standard of Central Committee of National Patriotic Health Movement after 5 years of hard work.
目的了解核工业放射性工作人员的健康情况，探求辐射危害所致的细胞遗传学主要改变指标的类型。
Objective to understand the health status of the radial-stricken workers in nuclear industry and to explore the types of main mutative indices in cytogenetics caused by radiation risk.
本文采用平均虫口密度、拥挤度和被害株率作为标准地的指标，对杨树蛀干害虫的危害状况作动态分析。
Dynamic analysis of poplar stem borer was done with population density, crowded level and percentage of damaged trees on sample plots.
国内外采用单一的车辙深度评价指标不能反映车辙危害的全部信息。
At present, rut depth is the only evaluation index for rutting at home and abroad.
苯胺对生物体的危害极大，是环境监测的一项重要指标。
Aniline is toxic for organism, so it's one important index in environmental monitoring.
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.
硫含量是LPG的一项重要质量指标，含硫lpg对环境、人体及下游化工生产都有危害。
Sulfuer content is an important performance figure of LPG. Without desulfurization, LPG would contaminate atmospheric air, adverse human health and threaten the downstream chemical production.
应用这三项指标，通过模糊聚类分析将十五个病村分为四个类别，以示氟危害的程度。
Using these indexes, 15 villages can be divided into 4 types through vague fluster analysis. There were different damaging features and degree in 4 types.
应用这三项指标，通过模糊聚类分析将十五个病村分为四个类别，以示氟危害的程度。
Using these indexes, 15 villages can be divided into 4 types through vague fluster analysis. There were different damaging features and degree in 4 types.
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