He is also suspected of running a German-language Internet forum since February 2009 which distributed audio, video and text messages to recruit militants.
他还涉嫌从2009年2月以来主办一个德语的网上论坛，通过散播音频、视频和文字信息招聘激进分子。
Sign language video can also help make audio content more accessible.
手语视频也有助于获取音频内容。
The Language Centre has text, audio, video and computer-based material in some 140 languages.
语言中心有大约140种语言的文字、音频、视频和计算机资料。
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