Its inspiration, compression, exhaust process is on three consecutive rotor, when rotating stars round of cyclical changes in volume achieved.

它的吸气、压缩、排气三个连续过程是靠转子、星轮旋转时产生周期性的容积变化来实现的。

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Palin also restated her view that climate change is largely due to cyclical changes in the earth's atmosphere and not primarily caused by human behavior.

佩林还一再重申她在气候变化方面的观点，她认为气候变化主要归因于地球大气层的循环变化，而不是主要由人类行为所导致。

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The cooling would be down to cyclical changes to ocean currents and temperatures in the North Atlantic, a feature known as the North Atlantic Oscillation (NAO).

冷却将降至洋流和北大西洋温度的周期性波动，这是被称为北大西洋涛动现象（NAO）的特征。

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"Significant management changes have been implemented, a universal banking business model offers its own diversification attractions, whilst cyclical economic exposure and the lack of government ownership also appeal, " he said.

BBC: Barclays announces 3,700 job cuts

This suggests that unemployment is increasingly caused not by cyclical factors when workers are temporarily laid off as aggregate demand drops but by structural changes, when whole job categories and industries suffered permanent reversal.

ECONOMIST: Grounds for cautious optimism about America's economy