A safety alert system by DTMF ( Dual - tone multifrequency ) mode is introduced.介绍一种采用DTMF ( Dual -ToneMultifreqency ) 信号方式通信的安全报警系统.The DTMF generator circuit is straight forward to construct.DTMF发生器电路可直接构建.Common Type ...
Followed is the interaction technology such as DTMF and TTS.随后介绍了DTMF、 TTS等 交互技术,它们决定了IVR系统 的服务质量.A safety alert system by DTMF ( Dual - tone multifrequency ) mode is introduced.介绍一种采用DTMF ( Dual -ToneMultifreqency ) 信号方...
A new method for determining anthraquinone of Cassia obtusifolia L.提出了三氯化钛-分光光度法测定决明子中总蒽醌含量的新方法.Conclusion: The preparation process to extract and purity total anthraquinone was feasible.结论: 该实验所确定的提取及纯化工艺对大黄总蒽醌的富集是切实可行的...