第二，奥巴马应该站出来支持反周期波动管理政策。
Second, Obama should come out in favor of countercyclical regulatory policy.
换句话说，如果“顺周期波动”是个问题，它也是别人的问题。
In other words, if procyclicality is a problem, it is someone else's.
商业周期的波动不仅是总的经济活动。
Business cycles are not merely fluctuations in aggregate economic activity.
中国西部经济周期的波动与东部相比有其特殊性。
The periodic economic fluctuation in west China is different from that in east China.
正弦型来流使压力系数产生波动，程度受正弦周期、振幅影响；
The fluctuant is different with the influence of period and swing of the sine wave.
要求连续、压力稳定、不出现周期性压力波动；
Requiring continuous operation, stable pressure and no regular pressure fluctuation;
要求连续、压力稳定、不出现周期性压力波动；
Requiring continuous operation, stable pressure and no regular pressure fluctuation;
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