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对美国农业发展不同历史阶段中的铁路运输作用予以分析,认为:1)铁路运输对农业发展的作用是明显的,尤其是在铁路网络完善的条件下;2)铁路运输以其运量大、费用低、速度快等技术经济特性,促进农产品市场范围的扩大和农业生产专业化分工,进而推动农业发展;3)铁路对农业发展的作用起初通过铁路兴建和铁路网络完善来实现,当铁路网络完善以后,综合运输规划以及运输技术、运输组织等创新就显得尤为重要。
The paper analyzes the role of railroad transportation in the different historical stages of agricultural development in the United States and argues that: 1) The role of railway transportation in agricultural development is obvious, especially in the condition of a complete railway network; 2) Low cost, fast speed and other technical and economic characteristics, to promote the expansion of the scope of agricultural products market and specialization of agricultural production division, and thus promote the development of agriculture; 3) The role of railways in agricultural development initially through railway construction and railway network to improve to achieve, when the railway network After the improvement, integrated transport planning and transportation technology, transport organizations and other innovations are particularly important.