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电子技术的巨大进展已使全盘自动化工厂的愿望更进一步接近于现实。一年来的发展包括: (1)在单一系统内能够完成几种功能的断续过程和顺序过程控制系统。 (2)以微处理机为核心的负荷换流
The tremendous advances in electronics have made the wish of a full automation plant closer to reality. Developments over the past year include: (1) An intermittent and sequential process control system capable of performing several functions within a single system. (2) Microprocessor-based load commutation