实现判断汽车是否超载或超速的功能，该方法主要完成判断：①车上乘客是否超过10人。②行驶速度是否超过70。对于不同的情况给予不同的警告或表扬，并显示车牌号。-Implementation to determine whether overloaded or speeding car features, the method is mainly done to determine: ① passenger car is over 10. ② speed is over 70. Given different circumstances for different warning or recognition, and display the license plate number.