NASA hit the challenge hard. The space agency built a bird radar to scan for flocks that could fly through a shuttle?s launch path and pose an impact risk.
NASA下定决心要解决这一问题,宇航局建立了一座鸟类雷达,以扫描航天飞机发射路径上是否有可能造成冲撞的鸟群。
Engineers told Congress that shuttle missions might fly up to once a week, allowing NASA to amortise its development costs over lots of launches; in the event there have been only a handful each year.
工程师告知国会航天飞机任务周期可能为一周一次,这样NASA才有可能分期偿还其多次发射的开销;结果每年只有寥寥几次。
We knew as we were going through the interview process that there was no suggestion that any of us would fly on the shuttle.
我们知道我们经历面试过程,这也暗示着我们将很久不能参与飞行。
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