通过对环境质量分析、健康效应评价和经济效益估算，初步论证了集中供热措施的环境干预作用。
Through environmental quality analysis, health effect evaluation and economic efficiency assessment, initially proved interfering effects of centralized heat suPPly measures on the environment.
湖泊生态系统健康评价是湖泊环境管理和生态系统调控的基础。
Assessment of lake ecosystem health is the basis of lake environmental management and ecosystem control.
本文讨论了化学品危险性评价所需的必备资料，简述了化学品在环境中的行为特征及对人类健康的影响。
This paper discusses the basic information which the risk assessment of chemicals requires, and describes the behaviours of chemicals in the environment and their effects to human health.
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