图书馆的学术光盘镜面上的污垢、划伤会造成激光散射 ,使光驱不能正常读取信息。正确地清除光盘上的污垢和划伤可采用以下两种方法比较好。1　水洗法对于已经被污染的光盘 ,可以采取水洗法。首先将光盘放入 2 0℃左右的温水中 ,用绒布擦洗 ,灰尘即可除去。接着清洗油污和汗迹。 Library of academic disc mirror dirt, scratches will cause laser scattering, so that the CD-ROM can not read the normal information. Correctly remove the dirt and scratches on the disc can be better using the following two methods. 1 washing method For contaminated discs, you can take the water method. First of all, the disc into the warm water at about 20 ℃, with a cloth scrub, dust can be removed. Then clean the oil and sweat.