Cyclodextrins are natural degradation products of starch.

环糊精是淀粉的天然降解产品。

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With quick natural degradation, the base product is a typical environment-friendly packaging material.

自然降解快，基产品是典型的环境友好型包装材料。

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With natural colourant the process can be served as clean process owing to its natural degradation and non-toxicity side effect.

天然色素可自然降解、无毒性副作用，可以作为清洁染色工艺。

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The end result is you can design now very specific double stranded RNA sequences, that when delivered into cells again will activate this process of natural degradation of an existing messenger RNA.

最终的结果是,你现在能够设计针对性很强的,双链RNA序列,当这段序列被转入细胞后会激活,对已有信使RNA进行降解的过程

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The Market Revolution would also lead to a lot of natural environmental degradation.

市场革命也导致,大量的自然环境退化

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Human efforts and natural degradation did remove most of the oil, but some areas still have oil under the surface.

BBC: Oil spills: What is the long-term damage?

Depleting natural resources, land degradation, natural disasters and the impact of continued climate change also often hit the headlines.

CNN: French report suggests new ways to feed the future

BP, as Carol said, is liable for the environmental degradation through natural resource damage assessments.

WHITEHOUSE: Press Briefing on BP Oil Spill