这还意味着美元将接受更多考验，自从去年8月伯南克表示美联储将尽一切可能提振内需后，美元兑主要货币汇率已跌去10%。
It will also mean more trials for the dollar, which has fallen 10% against major currencies since Bernanke said in August that the Fed would do anything to boost domestic demand.
阐述了环形件数控强力车削加工中的颤振问题，提出了数控强力车削环形件避免发生颤振的最佳工艺路线和极限切深。
In this paper, discussed the vibration of circular parts machining, proposed out the best trace of CNC powerful turning and the method of limited depth.
介绍了压气机喘振的机理，分析了可调切向进气对压气机流量范围的影响，得出了最佳的切向进气在压气机进口的速度分布。
The principle of compressor surging and the influence of tangent air admission to a compressor for enlarging its flow range are studied in this paper.
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