此脉冲信号还是行计数器的触发信号，间接地控制振镜场扫的正程和逆程。

The horizontal line's counter is also activated by this signal to control galvanometer up and down.

youdao

此脉冲信号还是行计数器的触发信号，间接地控制振镜场扫的正程和逆程。

The horizontal line's counter is also activated by this signal to control galvanometer up and down.

youdao