双语例句
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Developed with the U. S. Air Force Research Laboratory, and further refined with NASA, the HWB also features an unusual propulsion arrangement that houses the engines in overwing nacelles.
与美国空军研究实验室开发，并与美国航空航天局进一步改进，在引擎机舱的发动机上，HWB还具有一个不寻常的推进配备。