exert a modifying or controlling influence on
调节；调整
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the state attempts to modulate private business's cash flow. 国家试图调节私有企业的现金流动。
vary the strength, tone, or pitch of (one's voice)
变化（嗓音）的音量（或音调、音高），调节
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we all modulate our voice by hearing it. 我们都通过听来调节嗓音。
alter the amplitude or frequency of (an electromagnetic wave or other oscillation) in accordance with the variations of a second signal, typically one of a lower frequency
改变（电磁波或其他振荡）的振幅（或频率），调制
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radio waves are modulated to carry the analogue information of the voice. 调制无线电波以传送嗓音的模拟信息。
[no obj.]
【乐】 使转调
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the first half of the melody, modulating from E minor to G. 乐曲的前半部，从E小调转向G调。
[no obj.](
变成，成为
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the fraught silence would modulate into conciliatory monosyllables. 紧张的默默无言会转成意在和解的片言只语。
"mid 16th cent. （in the sense ‘intone （a song）’）： from Latin
