The scale of the searches has been increased dramatically since 1992, when the US Congress voted NASA $10 million per year for ten years to conduct a thorough search for extra-terrestrial life.
自1992年,美国国会计划在未来10年里每年为美国国家航空航天局投入1,000万美元,用于彻底搜寻外星生命体以来,搜寻的规模开始大幅增长。
'Our daily job is as intense and thorough as it has ever been,' Mr. Stephens said. 'These issues that have come up were really a surprise for us — but a wake-up call because things can slip by.'
斯蒂芬斯说,我们的日常工作是有史以来最紧张而全面的,这些已经出现的问题实在是出乎我们意料,但它们也警醒了我们,因为有些问题可能不引人注意。
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