在许多国家车祸是35岁以下男女的第一位死因。1984年,全世界死于车祸的人数超过30万,留下永久性伤残的人数在300万以上。仅美国每年在李祸中受伤的人数就为400万,二分之一的美国人在他的一生中至少要发生一次车祸。随着现代交通运输业的迅速发展,车祸对人类健康的危害也变得 In many countries car accidents are the first cause of death for men and women under the age of 35. In 1984, more than 300,000 people died in a car accident in the world, leaving more than 3 million permanent disabilities. In the United States alone, the number of people injured in the accident was 4 million each year, and one in two Americans had at least one car accident in his life. With the rapid development of modern transportation industry, the harm of car accident to human health also becomes