主动安全与被动安全的区别
参考答案:
主动安全性是指汽车自身防止或减少道路交通事故发生的能力.
被动安全性是指当交通事故不可避免发生时汽车对车内乘员的保护能力.
下列属于经学在春秋时期发端的明证的是()。
A、《周易系辞传》
B、《春秋》三家传
C、《尔雅》诠释学
D、以上都有
Automobile A is traveling at two-thirds the speed that Automobile B is traveling. How fast is Automobile A traveling (1) If both automobiles increased their speed by 10 miles per hour, Automobile A would be traveling at three-quarters the speed that Automobile B would be traveling. (2) If both automobiles decreased their speed by 10 miles per hour, Automobile A would be traveling at half the speed that Automobile B would be traveling.