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第144行： − − [[File:CDSCRATCHES.jpg|thumb|right|A picture showing scratches on the readable surface of a CD-R. Music and data CDs are coded using error correcting codes and thus can still be read even if they have minor scratches using [[error detection and correction]].]] − − A picture showing scratches on the readable surface of a CD-R. Music and data CDs are coded using error correcting codes and thus can still be read even if they have minor scratches using [[error detection and correction.]]
→编码理论
==编码理论==
==编码理论==
[[File:CDSCRATCHES.jpg|thumb|right|在可读CD的表面上显示划痕的图片。音乐和数据CD使用纠错编码进行编码，因此即使它们有轻微的划痕，也可以通过错误检测和纠正来对CD进行读取。]]
[[File:CDSCRATCHES.jpg|thumb|right|在可读CD的表面上显示划痕的图片。音乐和数据CD使用纠错编码进行编码，因此即使它们有轻微的划痕，也可以通过错误检测和纠正来对CD进行读取。]]