美 [pjʊr toʊn]
纯音：指只有单一频率的声音，没有杂音或谐波。
a steady sound without overtones
同义词： tone
纯音-引用次数：61
纯音-引用次数：4
The system can issue a pure tone, tone twitter, narrowband noise and natural sound of the voice signal, and can adjust the loudness and frequency of the signals with some accuracy.
该系统能发出纯音、啭音、窄带噪声和自然声等声音信号,并可对信号进行一定精度的响度和频率调节。
正弦波音
纯音
超前噪声对人分辨声音时间信息的影响-毕业论文网 关键字：噪声，纯音，前掩蔽，时程分辨阈值 [gap=1004]Keywords：Noise, Pure tone, Forward masking, Duration discrimination threshold
（动物学专业优秀论文）老年小鼠下丘神经元对调频声的调制方向和调制率选择性研究 - docin.com豆丁网 o等119j 的实验证明当声强度增加时时程选择性神经元的数目减少。当声刺激模式发生变化 时也会变化。如用纯音（puretone，PT）刺激时神经元为全通型（all—pass，AP），即 无时程选择性。而当刺激变成CF．FM声时，则有一
[声]纯音
Musicians had no advantage when it came to pure tone thresholds.
当涉及纯音阈值时音乐家没有优势。
That is, it generates one pure tone or frequency at a time.
它可以每次产生一个纯音或者频率。
When it is struck, the tuning fork produce pure tone, retaining its pitch over a long period of.
当敲击音叉的时候，产生几近纯净的音调，能持续好长一段时间。
Music critics say Jason Mraz sings with a pure and clear tone on the song "Make it Mine."
VOA : special.2010.01.29
More direct evidence from studies of experiments with animals and humans, however, suggests that we may have to alter the very concept of what we mean by hearing loss, and that current tests - particularly pure-tone audiometry which measures our ability to perform "pin-drop" hearing - may not be sufficient to pick up the early signs of a decline in hearing function.