The updated plans were discussed at a conference of the AmericanInstituteofAeronautics and Astronautics on Thursday in Long Beach, Calif.
美国航空航天协会于本周四在加利福尼亚的长滩(城市名)召开会议讨论了这次最新的计划。
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The Chinese allowed a peek into multiple aspects of their scramjet efforts at the recent AmericanInstituteofAeronautics and Astronautics Joint Propulsion Conference in Cincinnati.