It proposed an improved road network moving object model.
提出了一种改进的移动对象模型。
Many of these deaths are preventable by improved road design and management.
这些死亡事故中，很多是可以通过完善公路设计和加强道路管理而避免的。
Transportation road construction has also been greatly improved.
交通道路建设也有了极大改善。
Military Road, built thousands of miles, land transport facilities can be improved;
修筑军路千里，陆路交通设施得以改进；
Military Road, built thousands of miles, land transport facilities can be improved;
修筑军路千里，陆路交通设施得以改进；
应用推荐