及物动词：

1. 调节（噪音的大小、强弱、高低等）

2.【术语】调整；调节；控制

3.【术语】调制（声波或无线电波频率）；调谐

不及物动词：

1. ~ (from sth)(to/into sth)【音】变调；转调

词形变化

名称modulation

时态modulated，modulating，modulates

英语解释

adjust the pitch, tone, or volume of

fix or adjust the time, amount, degree, or rate of

vary the frequency, amplitude, phase, or other characteristic of (electromagnetic waves)

change the key of, in music

vary the pitch of one's speech