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To analyze the phenomena that, people reside in earthquake-prone areas, because they cant know the earthquake will cause serious casualty accident, I bethink of earthquake annunciator concept design. Through using the secondary planet transmit technique, earthquake annunciator will give off alarm before earthquake comes, and people can escape seismal threaten, so that it will reduce the number of casualty per centum.
GuangDong University of Technology
Guang zhou, China