After 10 seconds your race-car will have traveled a distance of 10.0. If you split this calculation up like a game would do, you have the following function using frames per second as input.
举例来说你有一部跑车的速度是0.001单位每毫秒，10秒之后你的跑车就走了10.0的距离。
2
It USES radar sensors mounted behind the front grille to sense the car in front of you and maintain a set followingdistance.
它使用雷达传感器安装前格栅后面，感觉你前面的车和维护一套下列的距离。
3
The system's followingdistance is proportional to your speed so you it will bring you to a stop at a normal distance from the car that you are following.