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.

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Added invention requirements for Gleam S to Multifrequency S blueprint.

加入微光S和多频S的发明需求.

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Cosmic Agent Site Signatures now appear in the results of Multifrequency Scan Probes.

多普探针可以扫描到空间代理人的地址.

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This text introduce a method about the interferential signal when multifrequency satellite - Earth corresponding station.

本文介绍多频段卫星地球站选址时,对干扰信号的测量方法.

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A topic of interest is the effect of multifrequency ultrasound on the sonochemical yield.

声化学反应的主动力是声空化,声化学产额与超声辐照频率有一定的关系.

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