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      modulate
      
	
      英 ['m?dj?le?t]
美['mɑd??let]

      


	    
      
	
        
    
      • vt. 調(diào)節(jié)；（信號(hào)）調(diào)制；調(diào)整
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      • vi. 調(diào)制；轉(zhuǎn)調(diào)
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      英英釋意
      
	
      
	
      1. change the key of, in music;
      "modulate the melody"
      

      2. of one's speech, varying the pitch
      

      3. fix or adjust the time, amount, degree, or rate of;
      "regulate the temperature"
      "modulate the pitch"
      

      4. adjust the pitch, tone, or volume of
      

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