The most common kinds of data files you find on the net are pictures, most often digitized photographs in GIF or JPEG format.

在网上能找到的最普通的数据文件图形文件，它通常是用GIF或JPEG文件格式数字化过的一幅照片。

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A sound file's format is a recognized methodology for organizing data bits of digitized sound into a data file.

声音文件的格式是讲一段数字化声音的数据比特和字节纳入一个数据文件中。

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