道路线型与汽车的安全性唐绍军（云南省交通学校）自一八八八年世界上第一辆汽车问世至今一百多年来，汽车运输在世界各地得到迅速发展。汽车的普及与运用，促进了社会生产力的发展，给人类带来了巨大的财富。但随之而来的交通事故，也给人类带来了巨大的灾难。交通事故产... Road Line and Safety of Vehicles Tang Shaojun (Traffic School of Yunnan Province) Since the first car in the world was introduced in 1888 for more than 100 years now, the transportation of automobiles has been rapidly developed all over the world. The popularization and application of automobiles have promoted the development of social productive forces and brought enormous wealth to mankind. However, the traffic accidents that followed brought huge disaster to human beings. Traffic accident ...