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交通运输体现了城市之间的经济联系,是研究区域经济联系的重要依据。通过对省域公路客运、全国铁路和全国航空客运班期与距离关系的实证研究,深入探讨我国客运交通联系的距离衰减规律特征,得到三种客运方式的适宜营运距离、最佳营运里程和平均营运里程以及距离衰减规律的曲线估计模型,并对距离衰减规律的多样性特征进行了评述。
Transportation reflects the economic relations among cities and is an important basis for studying regional economic relations. Through the empirical study on the relationship between the duration and distance of the national highway passenger transportation, the national railway and the national passenger transportation, the characteristics of the distance attenuation of the passenger transportation links in China are discussed in depth. The suitable operating distance, optimal operating mileage and average operation of the three passenger modes are obtained Mileage and distance attenuation curve of the curve estimation model, and the diversity of attenuation characteristics of the law were reviewed.