The URL must have the same domain name as the page.
URL 的域名必须和该页面相同。
Over time, the blogger might notice that the questionable comments originate from the same users or from the same domain name (as seen in the atom: author element in Listing 1).
经过一段时间，博主也许会注意到，可疑的评论源自相同的用户或相同的域名(如清单1中的atom： author元素所示)。
Multiple versions of J2EE application components cannot register with the same name within the common JNDI name space in the same application server domain.
多个版本的J2EE应用程序组件不能在同一应用程序服务器域的同一个JNDI名称空间注册相同的名称。
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