f和p选项分别指定输出详细信息（显示正在添加或提取的文件）、对文件（而不是磁带设备）进行写入/读取、保持权限和所有权。
The v, f, and p options specify verbose output (prints the files being added/extracted), writes/reads from a file (instead of a tape device), and retains permissions and ownership, respectively.
卡式录像机有二到七个磁头，以读取和刻画磁带上影像与音频的轨迹。
They have from two to seven tape heads that read and inscribe video and audio tracks on magnetic tape.
卡式录像机有二到七个磁头，以读取和刻画磁带上影像与音频的轨迹。
They have from two to seven tape heads that read and inscribe video and audio tracks on magnetic tape.
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