Secondly, it proposed a passenger demand forecast method of PDL based on generalized cost after introducing high-speed railway passenger traffic forecasting methods with both domestic and abroad.

其次，本文在借鉴国内外客运专线客运量预测方法的基础上，构建基于广义费用的客运专线需求预测方法。

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Through the analysis of the economical status, and the increasing rates of the passenger transport and the freight, the article introduces the traffic forecast method of this area in detail.

该文通过对珲春边境合作区的经济状况及客运量、货运量增长率的分析，对该地区的交通量预测方法进行了详细介绍。

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IATA had earlier forecast global passenger traffic to contract by two percent this year, with a recovery in 2010.

VOA: standard.2009.04.28

Airline stocks were reeling Monday, following a report from the International Air Transport Association reporting August passenger traffic slowed and offering a grim near-term forecast.

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