訊號對量化雜訊比 signal plus noise to noise ratio: 信噪和對噪聲比apparent signal to noise ratio: 視在質(zhì)量噪聲比available signal-to-noise ratio: 可用信號噪聲比; 可用訊號對雜音比carrier signal to noise ratio: 載波信噪比carrier signal-to-noise ratio: 載波信噪比; 載波訊號雜音比下載手機詞典可隨時隨地查詞查翻譯