The more cautious version of "output gap denial" is the view that the pre-crisis level of output was the result of bank-financed debt, and that much of it went for good with the credit crunch.

“否认产出缺口”的一种更谨慎的版本，是认为危机前那种水平的产出是银行放贷的结果，其中大部分已随信贷紧缩而一去不复返。

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The ball screw can be pre pressed, because the pre pressure can make the axial gap reach negative value, and then get higher rigidity.

滚珠丝杠可以加预压，由于预压力可使轴向间隙达到负值，进而得到较高的刚性。

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The braze of stainless steel joints with wide clearance is made by pre filling alloy powder into the gap.

采用先在钎缝间隙中预填合金粉，然后在钎缝外置放钎料进行钎焊的方法，解决不锈钢接头宽间隙的钎焊问题。

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Retailers were among the biggest pre-market movers: Target and Gap reported stronger-than-expected same store sales.

FORBES: Employment Picture Improving: Jobless Claims Steady At April 2008 Levels

By the time poor kids start school, or even pre-school, they are already behind, the gap is likely to only grow over time.

FORBES: Human Capitalism

Those who want the Supreme Court to overturn the Voting Rights Act's pre-clearance requirements can point to these surveys to show that the racial gap in voting has dramatically diminished, and has arguably disappeared.

WSJ: Andrew Kohut: The Good News About Race and Voting