打字猴:1.70004093e+09
1700040930
1700040931 NASA/Navy Benchmarking Exchange,42
1700040932
1700040933 National Academy of Sciences(NAS),90
1700040934
1700040935 National Defense Education Act of 1958,151
1700040936
1700040937 National Institutes of Health(NIH),96
1700040938
1700040939 National Laboratory,76
1700040940
1700040941 National Space Biomedical Research Institute(NSBRI),71
1700040942
1700040943 National Space Council,231
1700040944
1700040945 Nautilus-Ⅹ,77-78
1700040946
1700040947 Naval Research Laboratory,107
1700040948
1700040949 Nazis,99,150
1700040950
1700040951 NEAR spacecraft,207
1700040952
1700040953 Neptune,305-306,327,329-331
1700040954
1700040955 NERVA program,342
1700040956
1700040957 New Horizons mission,305,307,331-333
1700040958
1700040959 NewSpace,13,115
1700040960
1700040961 New Swabia,30
1700040962
1700040963 Newton’s third law,131
1700040964
1700040965 Nextel fiber,126
1700040966
1700040967 nickel,203-204,211
1700040968
1700040969 nitrogen,258-261
1700040970
1700040971 nitrogen tetroxide,104
1700040972
1700040973 Nixon,Richard,5,9,223
1700040974
1700040975 noise(of rockets and spacecraft),136-138,146-147
1700040976
1700040977 nuclear fission,105-106,342
1700040978
1700040979 nuclear fusion,105-106,165-168,334,342-343
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