从那时起，技术人员不断地完善这个技术的效果，现在被广泛用于检测在高密度磁盘驱动器中存储信息的微小磁性小块。
Since then, technologists have improved the effect, and it is now widely used to detect the tiny patches of magnetism that store information on high-density disk drives.
基于这种光致变色性能，这类物质可用作存贮密度高、响应速度快及擦-写次数高的信息存储材料。
They can be applied to molecular optical switches of high storage density, high switching rate, and high write erase cycle times based on their photochromism.
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.
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