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①人类的太空之路是曲折的,人们不会忘记1986午美国“挑战者”号失事的情景,其实那是由一个小数点的错误引起的。无独有偶,在航天大国前苏联也发生过类似的悲剧。
① The path of human space is tortuous. People will not forget the 1986 crash of the U.S. Challenger. In fact, it was caused by a decimal error. Coincidentally, a similar tragedy took place in the former Soviet Union in the cosmopolitan space.