Knols include strong community tools which allow for many modes of interaction between readers and authors.

Knols将集成强大的社会化工具，这为作者和读者之间的交流互动提供了多种模式。

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There's also no anonymous editing of knols, so you'll need to sign in with your Google account to get started.

而且对于knol也不能进行匿名编辑，所以你需要用你的Google帐户登录才能开始。

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(Full disclosure: I am the product's marketing manager: -) Knols are articles written by people who are knowledgeable about specific subjects.

爆料：我是Knol这个产品的市场经理：-所谓Knol，就是由熟悉某个具体的主题的人写有关该主题的文章。

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Bart Knols spoke to Health Check on the BBC World Service.

BBC: Ultrasound mosquito repellents: Zapping the myth

But Gray argues that even if knols are treated like other pages, they may get high placement just by virtue of being Google sites.

FORBES: Magazine Article

Knols points out that this explanation also fails by its own logic because male mosquitoes only produce a sound of 700Hz, far lower than an ultrasound frequency.

BBC: Ultrasound mosquito repellents: Zapping the myth