在此基础上，研究运输经济区域的划分以进行公路运输地理数据的表达。
In this foundation, this paper takes research on the division of transport economic area in order to carry on the expression of the geographical data of highway transportation.
在此基础上，研究运输经济区域的划分以进行公路运输地理数据的表达。
In this foundation, this paper takes research on the division of transport economic area in order to carry on the expression of the geographical data of highway transportation.
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