离开某页(向后或向前导航)时，将向导航历史记录中添加该页的一个条目。
When a page is navigated away from (either back or forward), an entry for the page is added to navigation history.
这是默认行为，因为初始记录在自定义状态中的状态在添加到导航历史记录中后可能会改变。
This is the default behavior because the state that is initially recorded in custom state may change after it was added to navigation history.
浏览图可以保持它所显示视图的历史记录，因此您可以从任何一个视图向前或者向后导航。
Browse diagrams keep a history of the views it displays so that you can navigate forward and backward from each view.
存档系统会自动保存所有视频流，并允许观看者通过频道的历史记录方便的进行导航。
The archive system automatically saves all video streams and allows viewers to easily navigate through a channel's history.
您可以在服务器和客户端代码中管理历史记录导航。
You can manage history navigation in both server and client code.
因此本文提出关注于知识探查的导航方式——历史记录导航，用以解决网络学习中的信息迷航问题。
The author finds that web history navigation is good at knowledge exploration, which can help to solve information loss in E-learning.
因此本文提出关注于知识探查的导航方式——历史记录导航，用以解决网络学习中的信息迷航问题。
The author finds that web history navigation is good at knowledge exploration, which can help to solve information loss in E-learning.
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