楼宇自控系统就是对大厦内的各种几点设备进行全面的计算机监控管理。 如空调系统、信封系统、给排水系统、变配电系统等等。通过对各个进行监控和信息记录，实现分散节能控制和集中科学管理。为建筑物的用户提供良好的工作环境。为建筑物的管理提供-Building automation system is the various points on the building of computer equipment to conduct a comprehensive monitoring and manag

汇编语言编写的89C51专用信封打印机控制程序，早已商业应用多年。-89C51 assembly language dedicated envelope printer control program, has long been commercial for many years.