Screen tearing may be visible when panning, especially in portrait mode.

屏幕撕裂可能可见平移时，特别是在纵向模式。

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The advantage to this system is that you never need to worry about "tearing" effects in animations caused by updating the screen contents partway through a frame.

对于这个系统来说，优点是您永远都不需要担心更新屏幕内容时在一帧中间导致动画产生 “撕裂” 效应。

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