empty run meaning in English

空行程

Aiming to resolve it , the writer enhanced three features below : 1 ) use " trucks loading & optimized method " to optimize the transportation space ; decrease the high empty running ratio . 2 ) use the gis system optimize the delivery routing , overcome the mistake and redundancy in delivery routing plan and avoid the transportation waste
本设计特别针对现有信息管理对物流管理的薄弱之处，突出了本系统的特点，包括以下三点： 1 )系统软件的结构与功能紧贴本地企业运行中的实际需要，专门开发具有代码量小、界面友好、维护简单、便于功能升级扩展等特点的物流配送管理软件。