Technicians are also testing the feasibility of up to 800 passengers at a time being able to download music and multilingual audio commentary to mobile phones and other devices.

与此同时，技术人员正在测试800位乘客同时用手机下载音乐和多语言音频解说的可行性。

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Finally, in my testing the iPod nano continues to offer good audio performance-assuming, of course, you feed it quality audio files.

最后，在我的iPod nano测试中它的音质一如从前那样的优秀——当然，前提是你给它同步了高质量的音频文件。

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For example, in one of our testing situations users were presented with audio, still images, and written captions.

例如，在一个测试场景中，用户同时接受声音、静止图片和文字的刺激。

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