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to modulate
01
调制, 调整
to change or adjust something in order to achieve a desired effect
Transitive: to modulate sth
Example
The teacher modulates the pace of the lesson to maintain student engagement.
Engineers modulate the frequency of radio signals to ensure clear communication.
The scientist modulated the experimental conditions to observe varied outcomes.
02
调制, 改变频率
to change the frequency or amplitude of a radio signal to make it intelligible for broadcast
Transitive: to modulate a radio signal
Example
The radio technician modulated the carrier wave with the audio signal.
The telecommunications company modulated the frequency of the radio signal to avoid interference from other transmission sources.
The emergency broadcast system modulated the radio signal with a distinctive tone to alert listeners to important announcements or warnings.
03
调制, 改变音调
to change the key or pitch of a piece of music
Intransitive: to modulate to a key
Example
In the middle of the piece, the string quartet modulated to a lower key.
As the song reached the climax, the vocalist modulated to a higher key.
The composer modulates to a higher key for the final chorus, adding excitement and intensity to the song.
04
调制, 调节
to adjust the pitch or intensity of a sound or one's voice
Transitive: to modulate a sound or one's voice
Example
The actor modulated his voice to portray different characters in the play.
The singer modulated her voice to convey the emotional depth of the song.
During the public speaking event, the orator modulated her voice to captivate the audience.
例子
The teacher modulates the pace of the lesson to maintain student engagement.
Engineers modulate the frequency of radio signals to ensure clear communication.
The scientist modulated the experimental conditions to observe varied outcomes.
