地下物流系统 meaning in English

uls

Based on this , the possible application field of beijing ' s uls is pointed out , and concept analysis and discussion are performed
在此基础上，指出了目前地下物流系统在北京的可能应用领域，并进行了相关的概念性分析和探讨。
Underground logistic system ( uls ) has great significance for reducing traffic jams , air pollution and accidents caused by trucks
摘要城市地下物流系统对于改善由货运卡车引起的交通堵塞、空气污染和交通事故具有特别重要意义。
In this paper , the concept and research status of the underground logistic system are expounded , then the status of beijing ' s traffic jams is analyzed , and its necessity in beijing is explained , and position and request of developing beijing ' s uls are put forward
文章阐述了地下物流的概念以及该领域的研究动态，分析了北京交通拥堵的现状，说明了北京发展地下物流系统的必要性，提出了北京发展地下物流系统在未来的定位和要求。