智能往返小车

⑴ 车辆从起跑线出发（出发前，车体不得超出起跑线），到达终点线后停留10s，然后自动返回到起跑线（允许倒车返回）。往返一次的时间应力求最短（从合上汽车电源开关开始计时）。

⑵自动记录、显示一次往返时间。

-Intelligent vehicles from car ⑴ starting from the starting line (before departure, the body must not exceed the starting line) to reach the finish line to stay after the 10s, and then automatically return to the starting line (allowing reverse return). Round trip time should seek the shortest (the power switch from the car began to close the time). ⑵ automatically record shows a round-trip time.