调制度zero: n. (pl. zeros, zeroes) 1.【数学 ...modulation: n. 调整,调节;(声调的)抑扬,变化;【音乐】转调,变 ...zero modulation: 调零; 零调制噪声polarized return to zero modulation: 极性归零调制zero modulation noise: 零调制噪声下载手机词典可随时随地查词查翻译