Okay, next question, What is the quantum mechanical effect used to encode data on hard-disk drives?

下一个问题，用哪种量子力学效应被应用在硬盘存储加密上？

" used to encode data on hard-disk drives? "

被应用在硬盘存储加密上?

To do this, we have to encode data using fewer bits than the original representation.

为此，我们必须使用比原始表示更少的位数对数据进行编码。