说明：  本人前段时间和搭档编写了一个硬盘数据恢复软件，并撰写了一篇关于《硬盘数据恢复技术原理及其实现》的论文供大家学习交流！
(I prepared some time ago and running mate of a hard disk data recovery software, and write an article on hard drive data recovery technology and the realization of the principle of papers for all to learn!)