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美国政府科技报告
>Americas Air Force, The Future Calls: An Evidentiary and Theoretical Analysis Of The Roles And Missions Of A USAF Astronaut CorpsAN EVIDENTIARY AND THEORETICAL ANALYSIS OF THE ROLES AND MISSIONS OF A USAF ASTRONAUT CORPS.
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Americas Air Force, The Future Calls: An Evidentiary and Theoretical Analysis Of The Roles And Missions Of A USAF Astronaut CorpsAN EVIDENTIARY AND THEORETICAL ANALYSIS OF THE ROLES AND MISSIONS OF A USAF ASTRONAUT CORPS.