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This system is invented under the circumstance that security incidents frequently occurs when contemporary college students taking into outdoor activities. It is constructed based on the central idea of exploiting a safety management system on mobile terminal to further introduce the over all layout, different sorts of capacity and technology data base. The primary goal is to ensure the security of...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.