短語詞組短語noise -figure indicator 噪聲因數(shù)指示器noise spectrum figure 噪聲譜圖noise spectmm figure 噪聲譜圖noise figure meter 噪聲指數(shù)測量儀;[電子]噪聲系數(shù)測試儀;噪聲系數(shù)測試系統(tǒng);噪音指數(shù)計receiver noise figure monitor 接收機噪聲指數(shù)監(jiān)測器 返回 noise figure