幅正弦曲線 amplitude modulated sinusoid: 調(diào)幅正弦曲線modulated sinusoid: 已調(diào)正弦波phase modulated sinusoid: 調(diào)相正弦波constant amplitude sinusoid: 等幅正弦波amplitude modulated: 調(diào)幅的下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯