voice frequency造句

• Voice frequency carrier telegraph
  音频载波电报
• Voice frequency dialing
  语频拨号
• Voice frequency signal
  话频信号
• The discriminating power of voice frequency characteristics in identifying twins ' voices
  常用语音特性在鉴别双胞胎语音中的区别力研究
• You are also not allowed to communicate on any text or voice frequency in use by pilots and regular atc
  同时，也不得在正式管制员与飞行员通讯的频率上进行文字和语音通讯。
• Specification for simple telex terminals using single channel voice frequency signalling for connection to british telecommunications telex network
  联接于英国电信电传网络的单频道音频信号用简易电传终端规范