How does the National Digital Library app watch videos?

Click on the app homepage to enter the open class to watch the video.

The National Digital Library APP is the official mobile phone library portal application produced by the National Library of China, which integrates the book resources of the National Library of China, the National Ancient Books Protection Center of China, the National Ancient Books Museum and other countries to build the most comprehensive online digital library in China. The application program of the National Digital Library focuses on services and resources, and constantly introduces new technologies to provide library services, online business processing and online reading resources for different types of readers.

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