us national reconnaissance agency
美国国家侦察局
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The US agency was recently gifted two Hubble-class spy telescopes by the National Reconnaissance Office, but even with this donation Nasa is short of the hundreds of millions of dollars needed to turn one of them into a dark mission.
BBC: Euclid telescope to probe dark universe
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