對稱波symmetricautooscillations: 對稱自振symmetricaltwoportnetwork: 對稱四端網(wǎng)絡symmetricmatrix: 對稱矩陣symmetricaltransducer: 對稱換能器symmetricoscillations: 對稱振蕩下載手機詞典可隨時隨地查詞查翻譯