短語詞組短語antenna effective noise temperature [電訊]天線有效噪聲溫度effective antenna noise temperature 等效天線噪聲溫度antenna gain to noise temperature 天線增益antenna temperature noise 天線噪聲溫度low noise temperature antenna 低噪聲溫度天線noise temperature antenna 天線噪聲溫度 返回 antenna noise temperature