The cost of computer memory is cheap enough that audio and video tapes (not to mention film) are on the road to extinction.

计算机存储的成本也便宜得让磁带和录像带（更别提电影胶片）开始逐渐消失。

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Authentic materials include the teacher talk, audio and video tapes, newspapers, cartoons, books, menus, maps and travel guides, etc.

真实材料包括老师的讲话、录音录像带、报纸、卡通、书、菜单、地图、旅游手册等。

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The inquiry also considered 160 volumes of evidence, 121 audio tapes and 110 video tapes.

调查尚包括160本证供，121卷录音带，110卷录影带。

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The evidence at trial will include secretly recorded audio and video tapes of the defendants hatching the scheme, the prosecutors said.

WSJ: NY jury begins hearing case against Liu aides

He was convicted and sentenced to six years in jail in December 2007 on charges of abuse of power, over the removal of sensitive video and audio tapes from Mr Montesinos's home.

BBC: Alberto Fujimori in file photo from 1999