汽车运材成本与年运量和运距的关系研究

Study on the relations of costs and annual transporting quantity and distance of wood truck transportation

本文运用统计学原理，根据实际调查的数据，得出汽车运材成本与年运量和平均运距的关系式。

According to the investigating data and using the principle of statistics, thd author concludes the relations of transport quantily, average transport distance and transport costs of wood trucks.