在宏观尺度上，区域综合运输成本是区域综合交通可达性和客货运规模的函数。
In macroscopic, regional comprehensive transportation cost is relative to regional integrated transportation accessibility and the scale of passenger and freight.
在宏观尺度上，区域综合运输成本是区域综合交通可达性和客货运规模的函数。
In macroscopic, regional comprehensive transportation cost is relative to regional integrated transportation accessibility and the scale of passenger and freight.
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