| 单词 | astronomical frame of reference |
| 释义 | astronomical frame of referencenoun Physics.a frame of reference in which the sun or center of mass of the universe is fixed and which does not rotate with respect to the fixed stars. Words nearby astronomical frame of referenceastronomer, Astronomer Royal, astronomical, astronomical clock, astronomical distance, astronomical frame of reference, astronomical telescope, astronomical triangle, astronomical twilight, astronomical unit, astronomical year Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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