发射火箭采用的倒数计时,最早出自于一部科幻电影。1926年3月16日,世界上第一枚液体燃料火箭在美国发射成功。此后,德国乌发电影公司决定拍摄第一部描述太空旅行的科幻故事片《月球少女》。在摄制过程中,他们利用制作的模型拍摄火箭升空的镜头。为了加强影片的戏剧效果,该片导 The countdown clock used by the launch rocket first came from a sci-fi movie. On March 16, 1926, the world’s first liquid fuel rocket was successfully launched in the United States. Since then, Ufa Films has decided to shoot the first sci-fi feature film “The Moon Girl” that describes space travel. During the filming process, they used the model they produced to shoot the rocket’s aerial shot. In order to enhance the dramatic effect of the film, the film guide