The establishment of a surveillance unit to tsunami warning, but that it is in the surveillance and alarm when an earthquake only and may not be clear whether there will be a tsunami occur? It might make people in the area, then the alarm surveillance or difficulties and if there is an alarm, then there is no disaster occurs many around Nanjing. Surveillance system has reduced the trust that people in the area, ignoring the alarm. When disaster comes, will really make the people in the area are in danger, and many are damaged. So it is not yet considered to be successful.
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