指出SAX模型评价标准在使用过程中要注意与实验设计和任何改进措施的费用效益分析相结合。
It was recommended that the assessment standard of SAX should be considered with the experiment designing plan and the cost benefit analysis of any improving measures.
介绍了费用效益分析的定义、步骤以及其在项目评估中的应用，从而把人们对环境的关注纳入到项目的可行性研究中。
The definition and process and application of cost - benefit analysis on project evaluation are summarized, which puts the people's attention on environment into the feasible study of the projects.
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。
This thesis analyses the costs and effects of a sewage treatment project to understand the implications of national economic evaluation.
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