Sometimes, rack and stack focus simply refuse to work, and you need to restart your camera.

有时候，对焦偏移和堆叠对焦就是不工作，您需要重新启动您的相机。

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There was a great deal of focus and attention on the higher levels of this stack as well.

对于该堆栈的更高层的关注与注意也颇多。

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A small truck into the warehouse, and scattered throughout the paper rolls in the stack to a focus.

甲到仓库小卡车，在整个堆栈中的一个重点纸卷分散。

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Both candidates are turning their focus to battleground areas as they try to stack the states in their column.

CNN: McCain ahead in national polls; Obama up in electoral votes