It was verified by experiments and calculations that, in general, VBL in hard bubble walls are not generated by the way that one Bloch line pair is produced per pulse.

通过实验和计算，证明了硬泡畴壁中同号的VBL一般地说并非一个脉冲产生一对。

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That stimulus, mostly in the form of fixed asset investments in infrastructure, followed by low interest rates, fueled a hard asset bubble that the Chinese government has been trying to pop since last year.

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Britain's deficit proved to be unsustainable, causing the economy to suffer a hard landing once the bubble burst.

ECONOMIST: Bubble trouble

The construction industry was hit brutally hard when the housing bubble burst.

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