<P>Domain Name(域名)，　<BR>
为域的自然语言名称，<BR>
它与数字式IP地址一一对应。</P>

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<TT> teletype text style 电报体</TT>

<EM> Used to add emphasis to a piece of text用于强调的字体 </EM>  The effect is similar to Italicizing text with the elements.斜体字 <I> </I>

<STRONG> a little stronger than normal 黑体字</STRONG>  

<CODE> used for extracts of program code 用于表示程序代码字形</CODE>

<VAR> used for variables or arguments to commands 用于表示命令的变量</VAR>

<SAMP>sample output from programs, scripts. 用于显示程序或脚本的输出</SAMP>

<KBD> text to be typed by the user 用于显示用户输入的文字</KBD>

<CITE> Citation: citing or quoting 用于显示引用的文字<CITE>

<DFN> defining instance of the enclosed term 用于显示定义</DFN>