multiphase
  多相的
  multiphase
  多相 多階段
  Mul·ti·phase a.   Having many phases; specif. Elec., pertaining to, or designating, a generator producing, or any system conveying or utilizing, two or more waves of pressure, or electromotive force, not in phase with each other; polyphase.
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  multiphase
       adj : of an electrical system that uses or generates two or more
             alternating voltages of the same frequency but
             differing in phase angle [syn: polyphase]