根据B超成像原理建立了UCA的散射特性与视频强度之间的关系。
The mathematical relationship between the scattering of UCA and Bmode video intensity was set up on the basis of Bmode imaging principles.
从视频中可以看到，三款手机都通过把广播强度增强为“高”来弥补“死亡之握”带来的影响。
As the video shows, the result is that each of the three handsets compensates for the death-grip's impact by increasing its cellular broadcast levels to a range that Tawkon considers' High '.
然后苹果展示了一些智能手机的视频，包括iPhone 4，当采取不同的握机方法时，它们的信号强度都出现了衰减。
Apple then posted videos of several smartphones, including the iPhone 4, suffering diminished signal strength when gripped in certain ways.
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