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1. But while the Internet primarily moves words, the information superhighway will soon make routine the electronic transmission of data in other formats, such as audio files and images.
    但是,互联网主要是传送文字,而信息高速公路不久将使其他形式的电子数据传送(如声音资料和图像的传送)成为常规。

2. I am interested in audio frequency amplifier.
    我对音频放大器感兴趣。