复制并不是一种动态的工具，这是因为在基本内容元素和被创建的目标交付过程或者性能模式之间不存在链接。
Copy is not a dynamic facility because no link between the base content element and the destination delivery process or capability pattern is created.
即使是用于创建的CGI动态内容的脚本都可以复制。
Even the CGI scripts used to create dynamic content were available for copying.
CDN的实现需要依赖多种网络技术的支持，其中主要的有缓存技术、动态内容分发与复制技术、负载均衡技术等。
Implementation of CDN depends on various network technologies, of which technology such as caching, dynamical content distribution and duplicating, load-balancing and so on is primary.
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