n.（船、飞机、导弹等的）后体，尾部
The research was made on the afterbody flow field of civil aircraft.
本文运用计算与实验相结合的研究方法对民机机身后体流场进行了研究.
The flow over the Geimini afterbody is separated.
双子星座后体处于分离状态.
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