Rolling press process of spiral grooved tube was simulated by ANSYS software.

利用ANSYS有限元分析软件，对螺旋槽管材滚压成型过程进行了数值模拟。

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The deformation quantity corresponding to the rolling press getting good shape can be got by straggling press amount and iterative computation.

该方法通过离散压下量，迭代计算得出板型良好的轧制压力所对应的变形量，对实际生产有指导作用。

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"This is a slow-rolling crisis that has been going on for some time. This is not new, " he said at a White House press conference yesterday.

在昨日白宫举行的记者会上，奥巴马表示：“这是一场已持续一段时间的缓慢发酵的危机，不是什么新情况。”

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Bernanke and the other central bank policymakers on the Federal Open Markets Committee will keep the printing press rolling for years to come.

FORBES: Bernanke Will Flood U.S. With Dollars In QE4. Now, He Needs Uncle Sam's Help

Whether those units of currency come from taxes or a printing press or more debt (through rolling over) is irrelevant.

FORBES: How Fiat Money Relates To The Government's Cash Flow Statement

But Julian Petley, who is chairman of the Campaign for Press and Broadcasting Freedom, expressed concern at the "rolling back of regulatory safeguards in the media".

BBC: Media ownership laws to be relaxed