microcomputers单片机microcomputern.微型计算机microcomputer development hardware微型计算机开发硬件Microcomputer Interface Technology微机接口技术microcomputer - based protection微机保护microcomputer interface experiment微机接口实验Microcomputer and embedded systems微机与嵌入式系统microcomputer software development微机软件开发microcomputer real-time software微机实时软件microcomputer performance criteria微型计算机性能标准microcomputer observing and control微机监控microcomputer disk operating system微型机磁盘操作系统