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磁盘介质的存储密度,在这种密度下磁盘的信息存储量是单密度盘的四倍。
The storage density of a disk medium; storing four times the amount of information per disk as single density.
youdao
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磁盘介质的存储密度,在这种密度下磁盘的信息存储量是单密度盘的四倍。
The storage density of a disk medium; storing four times the amount of information per disk as single density.
youdao