| propulsion |
(as a field of study in relation to Aeronautics) is the study of how to design an engine that will provide the thrust that is needed for a plane to take off and fly through the air.
출처: www.ueet.nasa.gov/StudentSite/vocabulary.html
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| propulsion |
The satellite system that provides the fuel and energy for operation.
출처: www.ssloral.com/html/products/glossary.html
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