域名根服务器：是指承担域名体系中根节点功能的服务器。
Domain name root server refers to the server that bear the function of root nodes in the domain name system.
并且ICANN以管理各类域名，IP地址，根服务器，并促进标准化等相关的服务收取服务费用。
And ICANN was charged with managing these various tasks of domain names and IP addresses, and the root servers, and helping encourage standardization.
第三个方面就是根域名服务器，这些服务器如何接受管理和控制。
The third element is the root name servers, how these servers are managed and controlled.
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