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　　美国联邦航空管理局(Federal Aviation Administration)以火灾危险为由警告不要在飞机上使用三星盖乐世Note 7(Samsung Galaxy Note 7)智能手机。

　　Three Australian airlines and the German carrier Lufthansa have outright banned their useonboard.

　　三家澳大利亚航空公司和德国汉莎航空公司(Lufthansa)则明确禁止在机上使用该产品。

　　But the threat of airliner fires is not limited to Samsung devices, which the company hasoffered to replace.

　　不过，飞机上的火灾威胁不仅限于三星的电子设备(三星已提出调换)。

　　And the hazard is far more than theoretical.

　　这些危险也不仅是理论上的。

　　Qantas, one of the Australian carriers, had an onboard fire during a trans-Pacific flight this yearwhen a passenger’s cellphone was crushed in the mechanism of a business-class seat and thephone’s lithium-ion battery ignited.

　　今年，澳洲航空公司(Qantas)的飞机在一次跨太平洋飞行中发生火灾，一名乘客的手机被商务舱座位的机械装置压碎，锂离子电池起火。

　　In January as a Delta Air Lines flight from Minneapolis to Atlanta arrived at the gate, crewmembers discovered that a carry-on bag containing two laptop computers had burst intoflames, according to the FAA The smoke prompted some passengers to use the emergencyexits and wait on the wings until help arrived.

　　今年1月，美国联邦航空管理局报告，一架从明尼阿波利斯飞往亚特兰大的达美航空公司(Delta Air Lines)客机抵达登机口时，机组成员发现一件装有两台笔记本电脑的随身行李起火。烟雾迫使一些乘客使用紧急出口离开，在机翼上等待，直至救援人员到达。

　　The problem is lithium-ion batteries, which have become the standard for portable consumerelectronics, including phones, tablets and laptops, because of the power they can pack into asmall package.

　　问题出在锂离子电池身上，它已成为便携式电子产品的标配，包括手机、平板电脑和手提电脑，因为一块小小的锂离子电池能存储大量电能。

　　They are also highly volatile.

　　但它们也非常不稳定。

　　Battery fires were considered a contributing factor in the crashes of three cargo planes in thelast 10 years: an Asiana 747 in 2011, a UPS 747 in Dubai in 2010 and a UPS DC-8 inPhiladelphia in 2006.

　　电池起火被认为是过去10年中三架货运飞机坠毁的一个诱因：2011年韩亚航空公司(Asiana)的747飞机;2010年UPS的747飞机(在迪拜)，以及2006年UPS的DC-8飞机(在费城)。

　　In January, the FAA issued a warning that lithium-ion batteries in a cargo hold carried the riskof a catastrophic hull loss on an airplane.

　　今年1月，美国联邦航空管理局发布警告，货舱中的锂离子电池对飞机具有灾难性壳体损失风险。

　　So far there have been no airliner disasters specifically attributed to passengers’ digital devices.

　　到目前为止，还没有明确因乘客的数码设备而造成的空难。

　　But experts worry about the sheer mathematics.

　　但简单统计一下数字，就足以让专家担心。

　　The Royal Aeronautical Society in Britain estimates that even a single-aisle jet with only 100passengers might have more than 500 lithium-ion batteries aboard.

　　英国皇家航空协会(Royal Aeronautical Society in Britain)估计，就连一架仅能搭载100名乘客的单通道飞机也可能装有500多块锂离子电池。

　　Those numbers, and the attendant fire risks, could eventually catch up with the air-travelingpublic.

　　那些电池以及伴随的火灾风险可能最终伤害搭飞机旅行的公众。

　　The question is: What to do about it — besides issuing advisories?

　　问题：除了发布警告之外，我们还能怎么办?

　　The FAA administrator, Michael P.

　　美国联邦航空管理局局长迈克尔•P•胡尔塔(Michael P.

　　Huerta, said in an email statement that the agency recognized that the batteries posed risksand that it was tracking all incidents in aircraft cabins to help us determine what we can do.

　　Huerta)在电子邮件声明中称，该机构认识到电池具有风险，正在研究所有机舱事故，帮助我们确定能做些什么。

　　Huerta urged passengers to put their devices in a carry-on bag or other safe location when notusing them.

　　胡尔塔强烈建议乘客把不用的电子设备放入随身行李或其他安全的地方。

　　But the FAA is in a tough situation.

　　不过，美国联邦航空管理局处于艰难的境地。

　　Under the regulatory rules, it cannot ground the Galaxy Note 7 until the Consumer ProductSafety Commission orders a recall.

　　按照管理规定，它不能禁止盖乐世Note 7上飞机，除非消费产品安全委员会(Consumer Product SafetyCommission)命令召回。

　　On Friday, the safety commission said it was working with Samsung on the terms of a recalland urged owners of the phones to stop using them.

　　周五，该安全委员会称，正在与三星协商召回事宜，并敦促那些手机的所有者不要使用它们。