The updated plans were discussed at a conference of the American Institute of Aeronautics 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。
The Chinese allowed a peek into multiple aspects of their scramjet efforts at the recent American Institute of Aeronautics and Astronautics Joint Propulsion Conference in Cincinnati.
在最近辛辛那提举行的美国航空航天联合推进技术研究所大会上，中国让外界得以一窥其在冲压发动机方面的多个进展。
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