以出行分布和交通分配模型为依据，导出城市路段交通量与小区土地利用的基本关系式。
Basing on the models of travel distribution and traffic assignment, the basic formula to show the relationship between link traffic volumes and zone land use in cities has been researched.
本文研究城市住宅小区停车方式，开发了一种简易升降式机械停车设备。
The paper analyzes the parking ways and expounds a compact lifting mechanical parking system.
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