运输的规模经济可以随装运规模的增长，使单位重量的运输成本降低。Economies of scale in transportation can increase with the size of shipments, resulting in lower transportation costs per unit weight.
A.正确
B.错误
正确答案：正确
运输的规模经济可以随装运规模的增长，使单位重量的运输成本降低。Economies of scale in transportation can increase with the size of shipments, resulting in lower
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每单位距离的运输成本随距离的增加而增加。Transport cost per unit of distance increases with distance.
运输是社会物质生产的必要条件之一。Transportation is one of the necessary conditions for social material production.
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