“Einstein elevator”的概念、定义、翻译、参考文献-科学参考

单词	Einstein elevator
释义	Einstein elevator [`īn´stīn `el·ǝ´vād·ǝr] ^RELATIVITY A windowless elevator freely falling in its shaft, inside of which conditions resemble interstellar space; used to elucidate the principle of equivalence.
随便看	grouped-frequency operation grouped records group flashing light group frequency group incentive group-indicate grouping grouping circuits grouping of records group mark group modulation group number group occulting light groupoid group printing group psychotherapy group selection group technology group theory group therapy group velocity group without small subgroups grouse grouser grout

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