The absolute threshold of hearing is the minimum sound level at which a person can detect a sound 50% of the time.
听觉绝对阈限是指一个人在50%的时间内能够检测到的最小声音水平。
Understanding the absolute threshold of hearing is crucial for designing effective hearing aids.
理解听觉绝对阈限对于设计有效的助听器至关重要。