Through environmental quality analysis, health effect evaluation and economic efficiency assessment, initially proved interfering effects of centralized heat suPPly measures on the environment.
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。
This thesis analyses the costs and effects of a sewage treatment project to understand the implications of national economic evaluation.
本文对污水处理工程的效益和费用作了简单分析以了解国民经济评价的意义。
Therefore, studying the economic effects of technical barriers to trade and policy evaluation is of important theoretical and practical significance.
因此，研究技术性贸易壁垒的经济效应和政策评价具有重要的理论和现实意义。
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