The more people use them, the better they work, and more people use them all the time—a kind of self-stoking mass collaboration that wouldn't have been possible without the Internet.
越多人使用它，它的功能越完善，尔后更多的人，用更多的时间使用它---一种没有Internet就不会出现的、自我激励的公众合作体系。
The numerical model of roof bolting and rock mass collaboration was based on Hoek Brown's strength criterion.
基于虎克-布朗强度准则给出了岩体及顶板锚固的数值模型。
The numerical model of roof bolting and rock mass collaboration was based on Hoek Brown's strength criterion.
基于虎克-布朗强度准则给出了岩体及顶板锚固的数值模型。
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