combined pure tones 纯音组合
Pure tones transform themselves into distorted, clangorous metallic noises.
纯音转变为扭曲的、带有金属感的铃声噪音。
Describe two peripheral neural codes that could be used by the auditory system to represent the frequency of pure tones.
描述两项听觉系统表现纯音频率的周边神经编码模式。
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1 : reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones.
声学。测听设备校准用参照区。第1部分：纯音和耳挂式耳机的参考等效阈声压级。
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