modulations

例句:

• Special alloys: varnished or satiny alloy with soft and refined colour modulations.
  特殊合金: 漆皮或经过色彩调制并且光滑柔软的合金.
  
• It was the voice of a born orator, rich in possible modulations.
  这是一个天生演说家的富于抑扬顿挫的声音.
  
• Extended Binary Phase Shift Keying ( EBPSK ) is a kind of bandwidth efficient modulations.
  扩展的二元相移 键控 是一种高效调制技术.