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□□ 2 0 0 0年 10月 11日 ,多次推迟发射的美国发现号航天飞机终于在佛罗里达州的肯尼迪航天中心发射升空了。发现号航天飞机原定于 10月 5日升空 ,但是就在要发射时 ,美国航宇局(NASA)地面指挥中心下令将发射推迟2 4h。可到了第 2天 ,又有新的问题出现 ,计划不得已再次被推迟
On October 11, 2000, the U.S. space shuttle, which had been delayed for many launches, was finally launched at the Kennedy Space Center in Florida. The Space Shuttle Discovery was originally scheduled to launch on October 5, but just before launch, the U.S. Space Command (NASA) ground command center ordered a delay of 24 hours. On the second day, another new problem appeared and the plan had to be postponed again