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中国地震所导致的惨剧再一次提醒,我们对这种毁灭性自然灾害迫切需要预警技术。加州理工学院前地震实验室主任、地球物理学教授、著名地震学家金
The tragedy caused by the earthquake in China once again reminds us that we urgently need early warning technology for such devastating natural disasters. California Institute of Technology former earthquake laboratory director, professor of geophysics, a famous seismologist gold