短语词组短语self excitation threshold 自激阈值diastolic excitation threshold 舒张期兴奋阈;时测量舒张期兴奋阈threshold excitation 释义兴奋阈Threshold For Excitation 可使神经元传送或传导神经冲动的最小电量threshold of excitation 阈限 返回 excitation threshold