coincidencen.巧合；一致；同时发生coincidence focometer重合式焦距仪coincidence frequency相干频率,重合频率,吻合频率coincidence type adder重合型加法器coincidence microphone重合传声器coincidence occurrence重合发生Coincidence negligence竞合过失coincidence processing重合处理coincidence correction重合校正coincidence adjustment焦点距离修正coincidence AND signal“与”门信号