Proteus 是Labcenter 公司出口的电路分析、实物仿真系统，而Keil是目前世界上最好的51韸机汇编和C语言的集成开发环境。 -Proteus is a Labcenter exported circuit analysis, physical simulation system, Keil is currently the world' s best 51 Peng machine assembly and C language integrated developmen