검색어[전방일치/ null:Drone aircraft -- Technological innovations -- United States -- Congresses.]
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- 제한항목
- Norman Haller, rapporteur ; Board on Human-Systems Integration, Division of Behavioral and Social Sciences and Education ; Aeronautics and Space Engineering Board, Division on Engineering and Physical Sciences, the National Academies of Sciences, Engineering, Medicine
- the National Academies Press
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