一个域主浏览器整理来自所有子网上的本地主浏览器的浏览列表，这样就可以在工作组和子网之间进行浏览。

A domain master browser collates the browse lists from the local master browsers on all subnets so that browsing can occur between workgroups and subnets.

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出于安全考虑，很多浏览器都不允许iF rame或XMLHttpRequest访问主浏览器请求域之外的其他域。

For security reasons, many browsers do not allow an iFrame or XMLHttpRequest to access domains outside of the domain from the main browser request.

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