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单词 rocket propulsion
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rocket propulsion
rocket propulsion n.
ΚΠ
1893 Ann. Rep. Smithsonian Inst. 1892 458 Mechanical science will eventually furnish quite a number of different solutions; such as flapping wings, propelling screws, rocket propulsion, etc.
1929 Sci. Wonder Stories Aug. 265 Aeronautical authorities have stated recently that the future development of the airplane will be along the lines of rocket-propulsion.
1999 New Scientist 3 July 45/1 More plausible is the idea that quantum nucleonics could be the basis for a new form of nuclear rocket propulsion.
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