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每天晚上用电高峰时,日光灯启动困难、闪烁不停,家用白炽灯亮度变暗.而深夜开启日光灯却很容易,而且特别亮.这是什么原因呢?我们可以从下面的例题中得到答案.
Every night when the peak of electricity is used, the fluorescent lamp is difficult to start, and the light is blinking. The brightness of the household incandescent lamp is dimmed. It is very easy to turn on the fluorescent lamp at night and is particularly bright. What is the reason? We can get the answer from the following example.