| 单词 | rocket propulsion |
| 释义 | rocket propulsion (once / 407563 pages) n WORD FAMILY rocket propulsion USAGE EXAMPLESThen rocket propulsion will shoot the Skylon to orbit along with 15 metric tons of cargo. The Verge(Mar 08, 2016) Orbital makes rocket propulsion systems, small arms ammunition, warhead fuses and missile controls. US News(Feb 23, 2016) It says that work later evolved into research on jet engines, rocket propulsion and other technology to improve aviation and foster exploration. Washington Times(Nov 02, 2015) n reaction propulsion using stored oxygen for combustion; used where there is insufficient atmospheric oxygen Hyper reaction propulsion propulsion that results from the ejection at high velocity of a mass of gas to which the vehicle reacts with an equal and opposite momentum |
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