A program that translates microprograms in symbolic form (similar to assembly language) into bit patterns that are then loaded into the control store.
一种将符号形式(类似于汇编语言)的微程序翻译成位模式的程序，然后位模式被装入控制存储器。
The use of PLC as the next-bit machine to improve the signal and control signal acquisition accuracy, and can modify the program site, to facilitate maintenance.
采用PLC作为下位机提高了采集信号及控制信号的精度，并且可以现场修改程序，维修方便。
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