名词
中文翻译：振幅
同义词：
['magnitude', 'range', 'amplitude of variation']
例句：
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1. The soundof the waves has an amplitude of 10 meters.
海浪的声音振幅为10米。
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2. The amplitude of the signal is directly proportional to its frequency.
信号的振幅与频率成正比。
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3. The amplitude of the wave changes with the distance from the source.
波振幅随距离源的变化而变化。