freight volume fluctuation coefficient

例句：

1. 1. The freight volume fluctuation coefficient is a key indicator of the transportation industry's efficiency.
   货运量波动系数是运输行业效率的关键指标。
2. 2. The fluctuation coefficient of freight volume has a significant impact on the supply chain management.
   货运量波动系数对供应链管理有重大影响。
3. 3. The coefficient of variation for freight volume is used to measure the variability in the volume of goods transported.
   货运量变异系数用于衡量货物运输量的变异程度。