复合正弦波信号signal: n. 1.信号,暗号;信号器。 2.动机,导火线 (fo ...sinewave: 正弦波combined chrominance signal: 组合色度信号combined group signal: 混合群信号combined light and sound signal: 声光混合信号下载手机词典可随时随地查词查翻译