With reference of the materials about passenger dedicated lines (PDL) in foreign countries, the essay discusses the characteristics and composition of transportation cost of railway PDL, and analyzes the influence on transportation cost from two aspects a
With reference of the materials about passenger dedicated lines (PDL) in foreign countries, the essay discusses the characteristics and composition of transportation cost of railway PDL, and analyzes the influence on transportation cost from two aspects a
摘要借鉴国内外客运专线资料，对铁路客运专线运输成本的特性及构成进行论述，并从速度目标值与客运量两方面分析对运输成本的影响，说明速度目标值直接影响客运专线的运输成本，而固定成本与客运量无关，变动成本与客运量成正比变化。