世界上每天有超过4万架次的客机起飞,有800万人次搭乘。在严格的监督和管控体系下,飞行本该万无一失,然而也有例外。马航MH370客机的失踪就是一例。这件事也动摇了人们对现代科技的信心。众多人造卫星已经形成网络覆盖:人们可以在地球表面的任何一点接打电话,身处陌生的国家凭借导航仪器就不会迷路,还能从太 More than 40,000 passenger planes take off every day in the world, with 8 million passengers taking the flight. Under strict supervision and control system, the flight should have foolproof, but there are exceptions. One example is the disappearance of Malaysia Airlines MH370 airliner. This incident has also shaken people’s confidence in modern science and technology. Many artificial satellites have formed a network coverage: people can call at any point on the surface of the earth, in a strange country with the navigation device will not get lost, but also from too