出现检测异常时必须进行成分检测，同时对采用的置换介质进行安全确认。
Component detection must be carried out when abnormal detection occurs and the safety confirmation of the used replacement medium is conducted at the same time.
一名枪手在美国佛罗里达州奥兰多市的一家夜店，持枪杀害了50人，脸书周日在美国首次启用了“安全确认”功能。
Facebook activated its "Safety Check" function on Sunday for the first time in the United States after a gunman massacred 50 people at a nightclub in Orlando, Florida.
美国联邦调查局和美国运输安全管理局都没有确认爆炸物是什么，不过一位机场发言人表示，这些物品是“军用级别的包装”，而且它们在警方手中。
Neither the FBI nor the TSA identified the explosives, though an airport spokeswoman said the items were "wrapped in military grade wrapping" and are in the possession of the police.
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