Connecting with the working practice, this paper probes into the construction of the literature and equipment in the audio-visual room and the functional continuation of the audio-visual room.

结合工作实践，就图书馆视听室的文献、设备建设及视听室功能的拓展等进行了探讨。

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Observations as well as literature and audio-video material were collected where available.

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The CDs include the audio recordings of many world literature books, classic stories, history and art.

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Which is why he came up with a way to protect intellectual property: make literature available over the Web in secure encoded audio and charge for it.

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