If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation.

若本程序并未指定授权版本号码时，您可以选择任一自由软件基金会所发表的版本。

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This change sets the number of read-ahead blocks that are read for file systems mounted using NFS version 2 software.

这个修改为使用NFS version 2软件挂载的文件系统设置预读取块的数量。

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If the Document does not specify a version number of this License, you may choose any version ever published (not as a draft) by the Free Software Foundation.

如果文件并没有指定一个本授权的版本号码，你就可以选择任何一个曾由自由软件基金会所出版不是草稿的版本。

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In software development, when you go from one version number to another it means that something big is going on.

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Microsoft announced plans in June for a Swahili version of its Windows operating software to cater for a growing number of users in Africa.

BBC: Word processing in Swahili