by using econometrics model analysis, it is found that the major factors, consisting of length of road, regulated industrial and agricultural production and consumer price index, play important roles in the development of market of highway freight transportation in china.

  • 利用经济计量模型分析发现:工农业总产值、公路营运里程以及居民消费价格指数是影响中国公路货物运输市场的主要因素。

  • 互联网摘选 2026-07-14 01:39:38

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