freighttransport volume的用法和樣例：
例句
- The model overcomes the unpredictability due to monotonicity and periodical fluctuation of freight volume.
該模型克服了貨運量的單調性和周期波動性給預測帶來的困難。 - After analyzing the data on railway freight volume of recent years, the authors establish the railway freight volume forecasting model by use of grey theory.
摘要通過對近年全國鐵路貨運量的統計數據進行分析，運用灰色理論建立了鐵路貨運量預測模型。
