| 释义 |
acoustic spectrum
释义
声谱：指声音在不同频率范围内的分布情况。
例句
1·This sound spectrum spans about ten octaves. The top five octaves correspond to acoustic waves-the primordial sound of the universe, just 380,000 years into its existence.
这个声谱约有十个八度的跨度。前五个八度音阶与声波一致——仅存在了38万年的宇宙原声。
2·These unusual properties generally have to do with manipulating electromagnetic (EM) or acoustic waves; in this case, it is EM waves in the infrared spectrum
这些与众不同的性质一般都与控制电磁波或声波有关；在这种情况下，电磁波是处于红外波段的。
3·Road traffic noise reducing devices. test method for determining the acoustic performance. part 3 : normalized traffic noise spectrum .
道路交通噪音减弱装置。声性能测试方法。 第3部分： 正常交通噪音范围。
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