数字电路抗干扰： 在电子系统设计中，为了少走弯路和节省时间，应充分考虑并满足抗干扰性 的要求，避免在设计完成后再去进行抗干扰的补救措施。-Digital circuit interference: In the electronic system design, for less detours and save time, should take fully into account and meet the requirements of anti-interference, to av