The Dow Jones World Index jumped 12% in dollar terms in April, its largest monthly jump since its inception in 1991.

以美元计算，道琼斯全球指数在4月份飙升了12%，创下了该指数自1991年创建以来的最大月度涨幅。

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The results show: there are the quasi-periodic features and unsuccessive jump phenomena in the interannual variation processes of Northern Hemisphere monthly mean general circulation anomalies.

结果表明：北半球月平均环流异常年际演变的过程具有准周期特征及不连续的跃变现象。

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New-home sales posted the biggest monthly jump in nearly two decades last month, reaching the highest level since mid-2008.

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Elsewhere, home builders' confidence in July had the biggest monthly jump in nearly a decade, another sign of optimism in the housing market.

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For one thing, the monthly figures jump about enormously.

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