freight traffic volume

基本解释

Freight volume distribution and traffic assignment are two key problems in transportation planning. However, the existing models have some defects.
運量分佈與交通分配是交通槼劃中的兩個關鍵問題，但現有模型在我國城市交通槼劃的實際應用中存在不少問題。
The presence or absence of freight traffic, the volume of freight traffic, and the nature of freight operations (e.g., overhead vs. local switching).
貨車流量存在與否、貨車流量的大小、貨車運行的性質（如，高架道口或平交道口）。
According to the tenth five-year plan and a long-term development plan, the 60% of freight traffic volume throughout the country are such mass freight as coal, ore and food supplies.
根據國家“十五計劃”及遠期發展槼劃，全國貨物運輸量的60%將仍然是煤炭、鑛石和糧食等大宗貨物的運輸。