短語詞組短語unilateral l transducer 單曏換能器;單曏傳感器Unilateral Transducer Power Gain 單曏轉(zhuǎn)換功率增益Maximum Unilateral Transducer Power Gain 最大單曏轉(zhuǎn)換功率增益 返回 unilateral transducer