As economies become richer, they can rely less and less on the brute force of capital spending, coupled with a steady flow of cheap rural migrants, to fuel their expansion.

随着新兴经济体越来越富，他们会越来越少地依赖资本支出的强势支撑，再加上廉价农村劳动力源源不断的输入，又刺激了他们的扩张。

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The force created by fast, steady blood flow as it drags along blood vessel walls has been shown by recent studies to protect arteries from atherosclerosis.

最近研究显示，快速稳定的血流可以保护血管，防止其发生动脉粥样硬化。

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Finally, the dynamic response study analyzes rotor cascade under aerodynamic force with the steady state results of the flow field calculations.

最后结合在不同转速下的流场稳态计算结果，对叶栅进行在气动力作用下动态响应分析。

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As economies become richer, they can rely less and less on the brute force of capital spending, coupled with a steady flow of cheap rural migrants, to fuel their expansion.

ECONOMIST: The world economy