1. 听阈：(一)纯音听阈测试 听阈(hearing threshold)是足以引起某耳听觉的最小声强值,是在规定条件下给一定次数的声信号,受试者对其中50%能作出刚能听及反应时的声级.
2. 听阀：hearing horn 助听筒 | hearing threshold 听阀 | hearing trumpet 助听筒
3. 听觉阈：heap 堆阵 | hearing, threshold 听觉阈 | heat 热
4. 听觉阈限：hearing theories 听觉理论 | hearing threshold 听觉阈限 | hearken 倾听