柯林斯詞典polyphase /?p?l??fe?z/ 1. ADJ (of an electrical system, circuit, or device) having, generating, or using two or more alternating voltages of the same frequency, the phases of which are cyclically displaced by fractions of a period 多項的 (See also multiphase)→see alsosingle-phase , two-phase , three-phase 返回 polyphase