To switch to an ad-supported model, it would have to partner with a company that already has a huge inventory of interactive ads.

为了转换到一个支持广告的模式，它必须和一家已经有大量互动广告的公司合作。

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Conclusion: The spatial reference memory and spatial working memory are reliable methods to examine AD model.

结论：空间参考记忆和空间工作记忆是检测ad模型的可靠方法。

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CONCLUSION: Naoerkang is able to decrease the acetylcholinesterase activity in the cerebral cortex and hippocampus of AD model mice and protect the neurons in the hippocampal CA1 region.

结论：脑尔康能明显降低老年痴呆模型小鼠皮层及海马胆碱酯酶活性，并有保护海马ca 1区神经元的作用。

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Apple and the cable companies premium paid model may prove less popular with consumers than the free ad-supported model.

FORBES: Will Apple's iTV Actually Be Samsung's SmartTV?

While the two operate on different terms--in addition to cable's dual revenue streams (advertising dollars and subscription fees) as opposed to broadcast's singular ad-supported model, cable has far fewer programming hours to fill and less fare to promote--broadcasters would be wise to consider four of cable's best practices.

FORBES: Inside The Box

The story raised questions among some investors about the prospects for Facebook's ad-revenue model.

WSJ: Morgan Stanley Was 'Driver' on Facebook's Wild IPO Ride