compact disk

基本解释

The use of a compact disk (CD) pickup head as a displacement measurement system is described.
本文提出了一种利用CD光学读取头来进行位移测量的方法。
If the objective lens is closer to the compact disk than the focal length of the object lens then the cylindrical lens creates an elliptical image on the photodetector array.
如果物镜与光盘之间的距离短于物镜的焦距，柱面透镜就会使在光电探测器阵列上的成像变成椭圆影像。
CD-ROM is short for Compact Disk - Read Only Memory.
光驱是紧凑的磁盘-只读存储器的简写。
myzee.blog.163.com

He is credited for founding the Compact Disk and with several audio advances for the industry.
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Now, using the Pure i-20, and its built-in DAC, recordings sound just as good as CDs played on my very respectable NAD C542 compact disk player (my other not-too-new components are a NAD 7100 stereo receiver and Paradigm Studio 20 v. 4 speakers).
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