dtmf

英 ['diːt'iː'em'ef] 美 ['diːt'iː'em'ef]

• n. 双音多频

例句

用作名词 (n.)

1. The realization of the DTMF circuit using discrete components was presented in this paper.
   给出了双音多频发送电路的分立元件实现方法。