Although the environmental impact assessment system has been for nearly forty years, theories and techniques are till in the stage of developing and improving.
建立环境影响评价制度已有近四十年的历史，环境影响评价的理论和技术方法等日臻完善。
Environmental impact assessment system is China environmental protection law of a very important basic system, in our country already executed for nearly 20 years, has played a very positive role.
环境影响评价制度是中国环境保护法中的一项非常重要的基本制度，在我国已实行近二十年，发挥了很好的作用。
It is China's current environmental impact assessment an important component of the system.
它是我国现行环境影响评价制度的重要组成部分。
The LFG production rate is the basic datum for the designing and operating of a controlling system of LFG, and for tiLe environmental impact assessment.
垃圾产气速率是填埋场气体控制系统的设计和操作，以及垃圾填埋场的大气环境影响评价的基础数据。
Environmental impact assessment of water resources project is a multi-index hierarchy complex, of which the key problem is how to quantify with reason the weights of each index of the system.
水资源工程环境影响评价是由众多指标组成层次结构的复杂系统，其关键问题是如何合理确定各评价指标的权重。
Planning environmental impact assessment(PEIA) is not only an important part of the planning work, but also an indispensable component of PEIA system.
规划环境影响评价是规划工作的一项重要内容，也是规划环境影响评价体系不可或缺的组成部分。
To increase environmental protection awareness in product system, life cycle Assessment (LCA) was adopted widely to evaluate quantitatively the lifecycle environmental impact of products.
为了在产品系统中体现环境意识，提出了减小产品环境影响的环境价值链分析方法。
Based on the summary of internal and external studies on the effectiveness of environmental impact assessment (EIA), the indicator system, grading standards, and evaluating method are built up.
在总结国内外环境影响评价(EIA)有效性研究的基础上，提出EIA有效性评估的指标体系、分级标准和评估方法。
This thesis intends to perfect the law of the environmental impact assessment for plan from the Angle of subject system.
试从主体制度的角度出发，探讨如何完善对规划环评的法律规定。
The necessity and the basic standard and application of quality management system of environmental impact assessment are reviewed.
论述了环评质量管理体系构建的依据标准及其应用情况，环评质量管理体系构建的必要性。
The necessity and the basic standard and application of quality management system of environmental impact assessment are reviewed.
论述了环评质量管理体系构建的依据标准及其应用情况，环评质量管理体系构建的必要性。
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