当物流企业的车辆发生堵塞时，如何有效得制定应急调度计划，对物流企业就显得尤为重要。
When the commercial vehicle is in the road in which the traffic jam occurs, how to make the effective emergent vehicle scheduling plan is very important for the logistics company.
在随机需求下，本文研究当物流企业自有仓库容量限时的物流库存管理问题，给出了使库存成本期望最小的订货量。
Under stochastic demand, this paper discusses logistics storage management problem when the own storehouse of logistics enterprise is limited. And the optimal ordering quantities was given.
当物流运输装置在前进时遇到障碍时，则采用图像和光电传感器双重识别，使运输装置自动停止，并发出报警信号。
When the device meet the obstacle while moving forward, it can stop and alarm automatically through the image and optical electrical sensors which perform dual identify.
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