Topic:space travelspacefaringspaceflight
Hypernyms:flight trajectory
Inherited Hypernyms:gravity-assisttrajectorymechanical phenomenonphysical phenomenonnatural phenomenonphenomenonprocessphysical entityentity
单词 | gravity-assist |
释义 | Gravity-Assist nnoun.phenomenon(spaceflight) a trajectory that passes close to a planetary body in order to gain energy from its gravitational field Topic:space travelspacefaringspaceflight Hypernyms:flight trajectory Inherited Hypernyms:gravity-assisttrajectorymechanical phenomenonphysical phenomenonnatural phenomenonphenomenonprocessphysical entityentity |
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