请注意，策略中的第一个图标是消除歧义的“匹配”操作，此操作是设备在规则之间做出决定所必需的。
Notice that the very first icon in the policy is a disambiguation "match" action that is required by the device to decide between multiple rules.
Unity界面同样支持现在越来越多的设备所配备的触摸屏和多点触摸功能，有着更大的图标和更好的触摸界面。
The Unity interface also supports touch and gestures for the increasing number of devices that will support it, with larger icons and a more touch-intuitive interface.
定制的聚集器使用这种元数据来提供某些具体的功能，例如创建导航节点的图标、更改移动设备的标题。
This metadata may be used by a customized aggregator to provide certain specialized functions, such as ICONS to represent navigation nodes, alternate titles for mobile devices.
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