Medical emergencies like this often occur on aircraft, and there are not always doctors on board.
诸如此类的医疗急救事故经常在飞机上发生，而且并不是每次都有医生在场。
2
Most products today (telephones, cameras, stereos, automobiles, aircraft, medical devices, etc.) contain increasing amounts of software and are designed and manufactured using software systems.
One forgotten update can be the cause for severe damage and costs, especially if it is an important requirement for, as an example, an aircraft or a medical device.