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- 叙述了带有PWM和SRAN的AVR系列微控制器产生双音多频（DTMF）信号的方法。 This application note describes how DTMF (Dual-Tone Multiple Frequencies) signaling can be implemented using any AVR microcontroller with PWM and SRAM.
- 此参数指定为通讯组创建的双音多频(DTMF)映射。 This parameter specifies that a dual tone multi-frequency (DTMF) map be created for the distribution group.
- 此属性包含已启用UM用户的用户定义双音多频(DTMF)映射。 This property contains a user-defined dual tone multi-frequency (DTMF) map for the UM-enabled user.
- 双音多频（DTMF） DTMF(Dual Tone Multiple Frequency)
- DTMF（双音多频） Dual- Tone Multifrequency
- 双音多频：电话系统拨号时通过按键按下的事件来通讯。 A method used by the telephone system to communicate the keys pressed when dialling.
- 双音 diplophonia
- 多频 multiple frequency
- 多频稳态诱发电位测试对中重度以下听力损失的评估价值 Preliminary study on the use of ASSR for estimating behavior hearing sensitivity of moderately severe hearing loss
- 双音铃 double chime bell
- 按钮多频拨号 touch-calling multi-frequency
- 双音木 two-tone wooden block & mallet
- 双音化 bisyllablization
- 多频的 multifrequency
- 多频码 multifrequency code
- 双音子 diphone
- 双音尾 double-syllable ending
- 多频片 multifrequency film
- 多频声 multitone
- 双音钟 double-tone bell
