小知识：1秒=1000毫秒，1毫秒=1000微秒上传本例13号管脚的板载指示灯将以一秒为周期闪烁改变延时时间观察现象思考本例中的延时函数作用是什么你能同时让两颗灯同时闪烁吗？以不同周期闪烁呢？若不能请思考原因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