New flood defences will be subject to a rigorous cost-benefit analysis, with more land in effect surrendered to the sea.
新的海防工事将纳入严格的成本效益分析，涉及更大范围的沿海地区。
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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