飞机是挺神秘的,因为它能凌空飞翔。到了20世纪后期,出现了一种新型军用侦察机,其性能让各国军事家大吃一惊:它来无影去无踪,能在万米高空清清楚楚地拍摄到地面报纸上的图像;它从某个国家的边防线上空掠过,什么火力分布、部队调动……都被它一览无余。太神秘了,这就是大名鼎鼎的U-2型空中侦察机。 The plane is very mysterious, because it can fly volley. By the late twentieth century, a new type of military reconnaissance aircraft was emerging whose performance surprised the military strategists of various countries: it came to nothing without a trace and could clearly and clearly capture the image on the ground newspaper at a height of 10,000 meters; Passing over the border lines of various countries, what kind of firepower distribution and force mobilization ... has been swept out by it. Too mysterious, this is the famous U-2 air reconnaissance aircraft.