所上载的是一个可以实现单选框功能的小程序.-which is available on a single-Sonic can function in small programs.

一个实现音波效果的AS2.0代码，直接添加元件加入代码拖到舞台马上可以使用。-To achieve the effect of a sonic AS2.0 code, add the code directly add components onto the stage ready to use.

ultra sonic code for controlling height mesauring sensor