The frame supports multiple navigation bars, for external links, internal views, and internal actions.
框架支持多个外部链接、内部视图和内部操作的导航栏。
2
Moving map navigation using the internal GPS.
使用内部移动地图导航定位系统。
3
The first of these is task-based navigation, a model in which content is organized to support specific user tasks — instead of being organized around product lines or IBM's internal structure.