通过减少设备上的计算量，高速缓存会起到加速的作用，并且还会延长电池寿命。
By reducing the amount of computation done on board the device, caching speeds things up and saves battery life in the process.
许多影响80端口的Web高速缓存和其它设备的交互必须得到重视。
The many interactions with Web caches and other devices which affect port 80 must be taken into account.
基本上说来，portlet页面先在服务器上被搜寻，然后在设备上被本地下载和高速缓存以在设备脱机状态下查看。
Basically, the portlet pages are crawled on the server, and then downloaded and cached locally on the device for viewing when the device is offline.
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