This is because Q Apply writes to these tables during the same unit of work as the changes to target tables.
这是因为在更改目标表的同一工作单元期间，Q Apply也会写入控制表中。
2
The hardware of the system is composed of Q-series PLC, graphic operation terminal F970GOT, intelligent positioning module QD75M4, and AC servo drive unit from Mitsubishi.
Zeng S Q. Based on intelligent fusion algorithm of hydropower unit identification and control strategy research[D]. Wuhan:Hubei University of Technology, 2013.