短語詞組短語antenna directive gain 天線定向增益;天線方向性增益;天線指向增益antenna a gain 天線增益antenna height gain 天線高度增益antenna measurement gain 天線增益量測antenna field gain 天線場強增益antenna effective gain [電訊]天線有效增益antenna directivity gain 天線定向增益antenna power gain [電訊]天線功率增益;翻譯;天線功率增益英語antenna diversity gain 天線分集增益 返回 antenna gain