The influential factor of POCD is variety and the pathogenesis is unclear.

POCD有较多相关因素，但其发病原因及机制仍不清楚。

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Analysis is the influential factor of the moisture permeability of envelop materials, and put forwards the ideas of how to design envelop materials.

对封套材料透湿率影响因素进行了分析，提出了设计封套材料的见解。

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The study tracked more than 300, 000 people over seven years and concluded that having a good support network is as influential a factor in your long-term health as whether or not you're a smoker.

这份研究在过去七年跟踪超过300,000个人，得到的结论是，在影响你健康长寿的因素里，有良好支持的交际网络的地位与你是否抽烟的地位等价。

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Given, though, that the methodology of each ranking is subjective in its choice of criteria, and that the difference between a school ranked 25th or 35th is probably not that great, the results should never be the most influential factor when identifying the right school for you.

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Duffy also believes the struggle to replace influential players has been the main factor in Hearts' struggles so far this season.

BBC: Romanov slams Laszlo budget woes

Professor Keenan says there is another complicating factor, asserting that the Algerian security service is highly influential among leaders such as Ag Ghaly, with whom it has long had links, as well as with key regional leaders of al Qaeda (such as Abdelhamid abou Zaid).

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