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国家航空咨询委员会
avia.
National Advisory Committee on Aeronautics
国家航空咨询委员会
美
earth.sc.
National Advisory Committee for Aeronautics
国家航空咨询委员会
space
National Advisory Committee on Aeronautics
(美国国家航空航天局的前身)
国家航空咨询委员会
美,N.A.S.A. 的前身
gen.
National Advisory Committee for Aeronautics
美国
国家航空咨询委员会
avia.
National Advisory Committee for Aeronautics
国家 航空 咨询委员会
:
8 phrases
in 4 subjects
Aviation
1
General
4
United States
1
Wind Energy
2
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