...效益系数；净值系数；加权统计。 [gap=422]Key words: weigh advantages against disadvantages; coefficient of effect and benefit; coefficient of net worth; weighing statistics.
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Research the effect of the different kinds of vehicle in path selection, the analysis of vehicle differential benefit and toll coefficient.
重点研究收费标准对各车型路径选择的影响，收费公路级差效益分析和收费系数的分析。
The influence of stochastic factor and interwork effect couldn t been though about in tradition analysis and calculation of the contribution coefficient of irrigated benefit.
传统的灌溉效益分摊系数分析计算时未考虑随机因素与交互效应的影响，本文针对这一问题提出相应的数理统计分析方法。
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