The arrow on the map indicates where the accident happened.

图上的箭头指示事故发生的地点。

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Based on the request of the power supply, the functions include map-layer management, space query of equipment, record query and fast repair decision on accident etc.

系统功能包括图层管理、设备空间查询、事故抢修支持、设备管理、耗材管理、报表处理和实时数据管理。

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To put all of the above information into perspective, we created a map of the countries showing the most troublesome accident records for commercial passenger aircraft.

BBC: A record year in airline safety