Hypernyms:speed velocity
Inherited Hypernyms:radial velocityspeedratemagnitude relationrelationabstractionentity
单词 | radial velocity |
释义 | Radial Velocity nnoun.timevelocity along the line of sight toward or away from the observer Hypernyms:speed velocity Inherited Hypernyms:radial velocityspeedratemagnitude relationrelationabstractionentity |
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