double modulationdouble-modulationdual modulationmodulation; double双重: double; dual; twofold; dupli ...调制: mingle; toss; lard; modulate ...双调变，双重调制: double modulation双重调制信标: double-modulating beacon; double-modulation beacon双重调制遥测系统: dual modulation telemetering system下载手机词典可随时随地查词查翻译
