My second discovery was of a physical truth of the greatest importance.

我的第二个发现是一个最重要的物理真理。

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According to physical truth of titanates' structure, the contents of titanates could be judged indirectly through determining content of titanium in solution and solids at every stages.

根据钛酸盐的结构特点，通过测定各阶段固体和溶液中钛的含量，可以间接判断钛酸盐的组成。

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Third, while it is tempting to draw a line between the physical world and the virtual, the truth is that these worlds are merging.

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The end of the physical path, that's the truth.

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And the truth is, traffic in our physical stores increased in our third quarter and has been trending positively for most of the year.

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