本文的主要工作有：1、现有货运周转量预测方法的搜集和总结。
The main job of this paper is as following:1. Collection & Summary of forecasting methods.
依此模型对山东省道路客运量及客运周转量进行了中短期预测。
According to this model, this paper presents the middle and short term prediction for the road passenger transport quantity and passenger turnover quantity in Shandong province.
他说，预测未来20年，中国航空客运周转量平均增长率将为8.3%，到2027年航空客运周转量将达到1.4万亿人公里。
He said that forecast the next 20 years, China's average growth rate of air passenger volume will be 8.3%, to 2027 air passenger volume will reach 1.4 trillion person-km.
同时，建立了组合预测模型预测 了湖北各运输方式运输量和周转量，明确了未来湖北交通需求在总量和结构方面的发展趋势。
Finally, this paper proposes some countermeasures and advices of developing Hubei transportation industry based on the analysis of its stage characteristics and main trend forward.
同时，建立了组合预测模型预测 了湖北各运输方式运输量和周转量，明确了未来湖北交通需求在总量和结构方面的发展趋势。
Finally, this paper proposes some countermeasures and advices of developing Hubei transportation industry based on the analysis of its stage characteristics and main trend forward.
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