Kelty offers five key components of the free software world.

Kelty提供了自由软件世界的5个关键组成部分。

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Discussing these components, Kelty explores some critical moments in the history of free software.

讨论了这些组成部分，Kelty介绍了自由软件历史上的一些重大时刻。

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For examples of coordinated collaboration, Kelty points to the debate between organizational models for Apache and Linux.

举一个协调合作的例子，Kelty介绍了Apache和Linux系统在联合模式下的讨论。

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REI's bigger influence, however, has come from funneling money to radical groups via the Conservation Alliance, a foundation it created with Patagonia, The North Face and Kelty in 1989.

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