On this basis, it analyses the domain name systems of our country and domain name management system especially.

在此基础上，重点分析了我国的域名系统和域名管理体制。

youdao

Apparently a single missing full stop at the end of the code meant that the domain Name Systems (DNS) failed to recognise.se as the "top-level" (country-wide) domain.

很显然，程序末尾仅少了个句号使得域名系统(DNS)无法识别“。se”了，“。se”是瑞典的“顶级”(国家)域。

youdao

You can add individual systems or groups of systems via an auto-discovery service based on IP address range or domain name.

您可以添加单个系统或通过基于IP地址范围或域的名称自动发现服务的系统组。

youdao

Improve physical security of critical systems, especially domain name and root servers.

CNN: Global panel issues Internet security recommendations