thresholds阈值thresholdn.门槛；开端；界限；入口threshold frequence阈值频率, 临界频率, 极限频率threshold selecting闺值选择thresholding method阈值法threshold of action动作阈值threshold splitting阈分歧, 听阈分裂threshold inhibitor阈值抑制剂threshold intensity临阈强度,临界强度threshold wandering(听)阈徘徊threshold algorithm阈值算法threshold for entry起借金额