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.
运量分布与交通分配是交通规划中的两个关键问题，但现有模型在我国城市交通规划的实际应用中存在不少问题。
The presence or absence of freight traffic, the volume of freight traffic, and the nature of freight operations (e.g., overhead vs. local switching).
货车流量存在与否、货车流量的大小、货车运行的性质（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.
根据国家“十五计划”及远期发展规划，全国货物运输量的60%将仍然是煤炭、矿石和粮食等大宗货物的运输。