而在其它场合，它有说两者的区别是存在的——比如，“衰减弱点”这个词只用在iPhone上。

In others, the company acknowledges that a difference exists - for instance, with the phrase "attenuation weak spot" only being used to reference the iPhone.

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首先，他们说，经济的衰减将降低通胀压力。

First, they say, the weakening economy will reduce inflationary pressure.

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然而，专家说，在某些应用条件下，纳米材料反而不利，或是会在几十次充放电后发生衰减。

Still, in some applications, nano-materials gum up the works, or break down after a few dozen charges and discharges, experts say.

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