论文部分内容阅读
今天早上,做完了作业,哥哥提议用遥控汽车比赛。我听了十分高兴,马上答应,请妈妈当裁判。开始比赛了。我们先打开电源,再把赛车放到客厅地板上。妈妈一声令响,两辆车一起动了起来。奇怪的事情发生了:一辆车往前跑,另一辆车往后跑!怎么回事?原来电子波搞不清它控制哪辆车。我们就想了一个办法:比谁绕一圈的时间短。我先比。我的车飞快地往前跑,路线是s形的,就像一条
This morning, finished my homework, my brother proposed to use remote control car race. I am very pleased to hear, immediately agreed, please mother when the referee. Start the game. Let’s turn on the power and put the car on the living room floor. Mom made a snap, two cars together up. Strange thing happened: a car running forward, another car running back! What happened? The original electronic wave confused which car it controls. We thought of a way: shorter than anyone who lapped around. I first ratio. My car flew fast forward, the route was s-shaped, just like one