vehicle: n.1.车辆；载运工具；飞行器；运行工具。2.媒介物，媒质。3.【药学】赋形剂。4.【绘画、化】展色料，载色剂。短语和例子a space vehicle太空船。 an escape vehicle太空飞行器。 a rocket vehicle火箭。 a staged vehicle多级火箭。 a seeking vehicle自动寻找目标的火箭。 an airborne v
For scheduling , distribution time window is put forward and vehicle assignment model is established . results show that oil distribution problem can be solved effectively 对于调度层，则从零售网点的库存和销售预测出发，提出了配送时间窗的概念，并对运输安排建立了数学模型。
