短語詞組短語antenna characteristic impedance 天線特性阻抗antenna radiation impedance [電訊]天線輻射阻抗antenna a impedance meter 天線阻抗測定器Antenna Port Impedance 天線耑口阻抗antenna feed impedance 天線輸入阻抗antenna input impedance [電訊]天線輸入阻抗antenna load impedance 天線負(fù)載阻抗antenna output impedance 天線輸出阻抗antenna mutual impedance 天線互阻抗 返回 antenna impedance