modulating
v.
调整( modulate的现在分词 );
（对波幅、频率的）调制;
转调;
调整或改变（嗓音）的音调;
例句:
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In his horn solo, he kept modulating from key to key.
他在喇叭独奏时不断地变调.
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Water vapour and clouds are the primary variables modulating direct solar absorption.
水汽和云是调节直接太阳吸收的主要要素.
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With PWM modulating technique, two high DC voltage controllable powers are generated.
利用PWM调制技术, 分别得到两个可控的高压直流电源.
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John spoke with dramatic hand gestures, modulating his voice like a schoolteacher.
来自NEWYORKER
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The voice is still extraordinary, modulating between a ferocious feline rasp and an alien newly arrived on Planet Earth.
来自BBC
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Patients with RRMS are often treated with immune-modulating drugs such as interferon or glatiramer acetate.
来自CNN