它由4个信号组成说明如下。
该锁相环由计算频率误差、更新环路中间变量、输出控制信号组成。
The SPLL consists of calculation frequency error, updating loop middle variable, and output control signal.
在扩音器内部，DVD或CD播放机，声音信号组成电子场，在元素之间快速正确的移动前进，不会漏掉重要的资讯。
In an amplifier, a DVD, or a CD player, the sound signal consists of electrons, which are processed and moved quickly and precisely between the components with almost no loss of important information.
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