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为什么电视画面有时会出现闪烁呢？

电视画面闪烁通常是由刷新率不匹配引起的。电视屏幕是由像素点组成的，刷新率是指在一秒钟内显示多少次画面。当电视的刷新率与电源频率或输入信号的刷新率不一致时，就会出现画面闪烁的现象。这是因为电视无法及时接收到新的画面数据，导致画面出现闪烁。另外，灯光的频闪也可能会影响到电视画面的观看效果。

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