a constant amplitude tone whose frequency is cyclically varied between certain limits, used in acoustic measurement to avoid irregularities…
| 单词 | θ76771 |
| 释义 | the world > matter > physics > science of sound > vibration > [noun] > simple tone > with cyclical variance (1) warble tone1933 a constant amplitude tone whose frequency is cyclically varied between certain limits, used in acoustic measurement to avoid irregularities… |
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