| 1. | Orotund frequency of of tone of high and low , main with the each vibration of number of times relevant , is a person s ear to high and low and subjective evaluation dimensions of tone . the tone is low to mean to vibrate the frequency low , the voice seem to be deep and low ; the tone is high , and mean to vibrate the frequency high , voice the stab
音调声音频率的高低，主要与音源每秒振动的次数有关，是人耳对音调高低的主观评价尺度。音调低表示振动频率低，声音显得低沉音调高，表示振动频率高，声音就尖刺。 |
