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为了合理计算内河分节顶推船队运输方式的经济效果,本文阐述了综合经济指标E的概念。很多实例的大量计算数据表明,运用综合经济指标E,来衡量船队方案的优劣,比用单位运输成本、投资回收年限及净现值NpV等指标,更为简便可靠.
In order to reasonably calculate the economic effect of inland river sections pushing the fleet transportation mode, this paper expounds the concept of comprehensive economic indicator E. The large amount of calculation data in many cases shows that it is more simple and reliable to use the comprehensive economic indicator E to measure the advantages and disadvantages of the fleet scheme rather than using unit transportation costs, the investment recovery period and the net present value of NpV.