A CD disk contains a long string of pits written helically on the disk. The edges of the pits correspond to binary 1s.
A CD disk contains a long string of pits written helically on the disk. The edges of the pits correspond to binary 1s.
CD上有一条很长的坑形串列，它以螺旋线方式排列于盘面。坑形的边沿对应于二进制“1”。