They found that the shuttle's orbit time could be extended by 25 days, and reckoned that, with a second shuttle on stand-by in case crew needed rescuing, the risk was acceptable.
他们发现太空飞梭的轨道时间可以延长25天，并且一致认为：如果在第二个太空飞梭能够辅助于左右，以防宇航员需要救助，那么这一任务的危险性还是可以接受的。
They found that the shuttle's orbit time could be extended by 25 days, and reckoned that, with a second shuttle on stand-by in case crew needed rescuing, the risk was acceptable.
他们发现太空飞梭的轨道时间可以延长25天，并且一致认为：如果在第二个太空飞梭能够辅助于左右，以防宇航员需要救助，那么这一任务的危险性还是可以接受的。
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