In Dr Silverberg's view, special relativity gives Santa ample opportunity, within his frame of reference, to deliver all those presents in what is a blink of the eye by our frame of reference.
在西尔弗伯格博士看来，借助狭义相对论，圣诞老人在他的参照系中有充足的时间来递送所有的礼物，而这一切在我们的参照系中却只是眨眼之间。
Removing a view from the view hierarchy also removes all the constraints that reference that view.
从视图层次里删除一个视图就同时删除了该视图引用的所有约束。
Removing a view from the view hierarchy also removes all the constraints that reference that view.
从视图层次里删除一个视图就同时删除了该视图引用的所有约束。
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