Oxygen free radicals are middle products of the normal metabolism in human body.

氧自由基是机体正常代谢的中间产物。

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Some middle products will gradually decline following the DBP degradation and Some middle products produce the process, which proved that the degradation of DBP is complexity.

研究得出了中间产物有的随着DBP降解而逐渐增加，有的反而降低，有的在反应中间过程中出现，证明了DBP降解过程的复杂性。

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And they'll lose out on the jobs that come with producing new products - jobs critical to an expanding middle class.

它们将错失伴随着新产品生产而出现的就业机会，这些就业机会对于一个不断壮大的中产阶层至关重要。

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The Latin American market is still underpenetrated and DirecTV is witnessing great success from its prepaid and middle market products.

FORBES: Can Latin America Help DirecTV's Stock Samba Higher?

Growth in Latin America remained healthy as the company continues to see success of its middle market products in Brazil and other countries.

FORBES: DirecTV's LatAm Party Continues As U.S. Business Gets Back On Track

Because JustFab manufactures its products itself, it cuts out the middle man and can offer high quality products at a lower price, says Goldenberg, who was COO of MySpace parent company Intermix Media.

FORBES: JustFab Raises $76 Million For Online Fashion Brand