今年四五月间,中国国际航空公司和中国北方航空公司的两架飞机相继坠毁。事发后,大量人力物力投入于紧张的救援工作中,除搜寻遇难者遗体和飞机残骸外,找到失事飞机的“黑匣子”也是一项极其重要的任务。因为,在分析飞行事故原因的过程中,“黑匣子”发挥着不可替代的作用。那么,“黑匣子”究竟是怎样一种装置呢?“黑匣子”也叫“飞行记录 In April and May this year, two aircraft of Air China and China Northern Airlines crashed one after another. After the incident, a large amount of manpower and material resources were put into intense rescue work. Apart from searching the remains of the victims and the wreckage of the aircraft, finding the “black box” of a crashed plane was also an extremely important task. Because, in the analysis of the causes of flight accidents, the “black box” play an irreplaceable role. So, what exactly is the “black box” a device? “Black box” is also called "flight record