Advised on hypersonic activities for other divisions, the High Speed Civil Transport, sonic boom, ozone environment, and rocket SSTO concepts.
建议对其他部门，高速民用运输，爆音，臭氧环境，和火箭的单级入轨概念的超音速活动。
Advised on hypersonic activities for other divisions, the High Speed Civil Transport, sonic boom, ozone environment, and rocket SSTO concepts.
建议对其他部门，高速民用运输，爆音，臭氧环境，和火箭的单级入轨概念的超音速活动。
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