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二、影碟机的基本工作原理1.影碟机(LD机)的基本结构,如图11所示(1)信号系统。①激光拾取器(激光头):它的作用是将碟片上的
Second, the basic working principle of the DVD player 1. DVD player (LD machine) the basic structure, shown in Figure 11 (1) signal system. ① laser pickup (laser head): its role is to disc