Hairy leukoplakia are on both sides of the edge of the tongue occurred in the white or gray lesions, lesions can also be extended to the tongue and the tongue back, abdomen, should not erase.

毛状白斑是发生于舌两侧边缘的白色或灰色的病变，病变也可延伸到舌腹部及舌背部，不能擦除。

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Updating, resizing, scrolling and focus changes should therefore not erase the widget.

因此，更新，改变大小，滚动和焦点改变都不会擦除该窗体。

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