因此，如果从弹性缓存层检索到应用程序请求的结果，则会清除应用程序处理和此请求的处理延时。
Therefore, if the result of an application request is retrieved from the elastic caching tier, the application processing and processing latency for that request are eliminated.
最后需要几个用于在使用 JCS、缓存项和缓存区域后清除它们的常用缓存实用程序。
The last of the more common cache utilities you might need are for cleaning up JCS, the cached items, and the cache region after you are finished working with them.
一旦一个资源被存储在这个应用程序缓存中，浏览器将不需要从Web中请求它，直至缓存项被清除或者缓存清单无效。
Once a resource is stored in the application cache, the browser will not request it from the Web until the cached item is de-cached or the cache manifest is invalidated.
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