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汉语拼音：chún yīn

只有一种振动频率的声音叫做纯音，如音叉所发出的声音。

纯音 [chún yīn]

1. 　　声音的组成有不同的频率，若声音中只含有单一频率，称为纯音。

• Pure tones of the same intensity but different frequencies do not necessarily produce sensations of equal loudness .

  声强相同而频率不同的纯音，未必产生响度相同的感觉。

• Thinks as a result of cochlea's misalignment modulating action, when it simultaneously accepts two pure tone functions.

  认为由于耳蜗的非线性调制作用，当其同时接受两个纯音作用时。

• And if our content area is white, the background should be a close plain tone, which means light grey or very pale colours.

  如果我们的内容和领域是白色，背景应密切纯音，这意味着淡灰色或非常苍白色。

• All physical examinations, pure tone audiometry, electrocardiogram, and cervical spine X-ray showed normal, except high blood pressure.

  除了血压高外，所有理学检查、纯音听力检查、心电图及颈椎X光均为正常。

• This model can also be used to abstract the fundamental frequency of speech and to measure the frequency of pure tone precisely.

  这一模型也可用于语音信号的基频提取和纯音频率的精密测量。

• 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。

• Electroacoustics - Audiological equipment - Part 1 : pure-tone audiometers.

  电声学.测听设备.第1部分：纯音测听计

• Method Compared the patients' own pure tone audiometry before and after the acupuncture treatment.

  方法通过自身对照观察针刺前后患者纯音听阈的变化；

• ABR and pure tune threshold shifts are tested before and after the treatment and analyzed statistically.

  对两组治疗前、后纯音听阈和ABR检查结果进行统计学分析。