域名解析有两种方式:1)反复解析(iterative solution):每一次联系一个不同的服务器。递归解析(recursive solution):请求一个名字服务器系统完成全部解析。
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这种方法改善了XSLT的性能,因为每个样式表只要解析和编译一次,就可以在以后的转换中反复使用。
This approach greatly improves the XSLT performance, since each stylesheet is parsed and compiled only once and reused for each subsequent transformation.
然而,我们都知道一旦css样式第一次解析下载后它就会缓存在本地,这样以后就减轻了对代码的反复请求了。
While we all knowthat CSS need only be downloaded once and then cached, there are someeasy ways to mitigate the resultant extra code and requests.
循环中应用程序负责反复调用解析器,直到文件结束。
It is the responsibility of the application to call the parser repetitively in a loop until the end of the document is reached.
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