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pen guan gong cheng chang yong jing ji zhi biao de shi yong tiao jian ji nei zai lian xi
Author(s): 
Pages: 34-35
Year: Issue:  2
Journal: Water Saving Irrigation

Keyword:  喷灌工程效益费用比净现值经济指标内部回收率投资回收年限经济效益比值法评价标准工程项目;
Abstract: <正> 关于喷灌工程经济效益的评价标准,规范中推荐采用效益费用比(或称益本比)、净现值、内部回收率以及投资回收年限等指标。就方法上讲,效益费用比、内部回收率和投资回收年限都属于比值法,即以求得的不同指标反映工程项目所花社会劳动的效率或有效性。而净现值属差值法,以指标大小直接反映工程项目可为社会提供的效益。近几年的实
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