2. 自考
  3. To describe the physical properties of speech sounds，a________ phoneticians use spectrographs to record the sound waves．

To describe the physical properties of speech sounds，a________ phoneticians use spectrographs to record the sound waves．

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问题 To describe the physical properties of speech sounds，a________ phoneticians use spectrographs to record the sound waves．
选项
答案acoustic
解析 本题主要考查声学语音学。声学语音学家们尝试去描述说话者所发出的声流的物理特性。为了描述这些特性，他们使用一种叫做声谱仪的机器记录声波。
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