In our analysis, the replacement cost, shadow project and penalty approach were employed.
分析中采用了替代成本法、影子工程法和罚款法。
Iron line replacement method is used to recovery metal silver from silver sulfate in COD waste liquid, and it is reused to analyze, so analysis cost and environment pollution are decreased.
对COD废液中的硫酸银，采用铁线置换法回收金属银，进行循环使用，降低了分析费用，减小了环境污染。
The approach of synthetic analysis, an approach of replacement cost in essence, is an important method in evaluating automobiles.
探讨了收益现值法和重置成本法对公路收费权价格的评估问题，并对两种评估方法进行了比较分析。
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