To simulate the flow direction of freight in crossing hinterland and forecast throughput of some newly built ports,probability model for transportation means is introduced and revised,and negative exponent probability model is established based on it.
为了模拟港口重叠腹地货运流向情况,并对新建港口吞吐量进行合理预测,引入了概率交通方式预测模型并对其进行改进,且在此基础上建立了负指数货运量概率预测模型。
Problem and solution of the IP address conflict in using NAT in CISCO routes;
CISCO路由器NAT过程中的地址重叠问题及解决办法
map superposition method, graded system method and water quality exponent superimpose method, and makes the water quality assessment of from Hunjiang river headstream to Dongchun reach in 1998.
本文从众多水质评价方法中选取地图重叠法、评分制法、水质指数叠加法三种方法,并通过运用这三种方法对1998年浑江源头至东村段水质评价为例,经过分析,发现水质指数叠加法是三种方法中一种较好的水质评价方法。
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