可用来拷贝文件！尤其是用来拷贝受损比较严重的碟片！-can be used to copy files! Especially used to copy more serious damage to the disc!

div+css+js特效，类似于cd碟片的图片切换效果-div+css+js effects, similar to cd disc image transition effects

这个是老师上课的时候给的一个示例小程序的题目。内容是对C++继承的练习。一个租碟片的程序。-This is a small program that our teacher gave us as an example during the class.This is to make a disk renting system.Including document and CPP source file.