updateref points to the master directory server.

updateref 指定的是主目录服务器。

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var/cfmasterfiles — Directory with master files on the policy server

var/cfmasterfiles — 具有策略服务器上的主文件的目录

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For each file in a given directory, the Master created a WorkUnit, providing it with location of the file it was to process.

对于指定目录下的每个文件，Master都创建一个WorkUnit，向它提供要处理的文件的位置。

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The China Internet Network Information Center, which answers to China's Ministry of Information Industry, controls the master "directory" of ".cn" Web sites.

MSN: An explanation of Google's moves in China