During the housing bubble, this ratio jumped to 4.2.

在房地产泡沫时期，此比值上升到4.2。

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Property markets have obviously shown signs of a bubble, judged by usual indicators such as the price/income ratio, rental yields and the vacancy ratio.

根据通常的价格收入比，租金收益率与空置率来看，房地产市场很明显的存在泡沫。

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The paper discusses the relation of the bubble pressure and the filtering ratio of filtering medium (filter).

本文论述了冒泡压力和过滤介质（芯）过滤比这两个不同定义概念的关系。

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McKinsey makes the striking claim that "the ratio of UK household debt to disposable income would not return to its pre-bubble trend for up to a decade" - which implies that as we in the UK look for a return to more normal levels of economic growth, momentum is not going to be provided by consumer spending for perhaps up to 10 years.

BBC: US ahead of UK on road to reducing debts