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.

youdao

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.

youdao