单片机应用系统的工作影响很大，在实验室里设计好的控制系统，安装调试时完全符合设计要求，而置入现场后，系统常常无法正常稳定地工作。-Microcomputer application system works great influence in the laboratory designed control system, installation and commissioning in strict compliance with the design requirements, and into the scene, the system often can not work normal and stable.