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单词 period-luminosity relation
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pe′ri•od-lu•mi•nos′i•ty rela′tion  (pēr′ē əd lo̅o̅′mə nos′i tē),USA pronunciation [Astron.]
  1. Astronomythe relationship between the period of light variation and of the absolute magnitude of Cepheid variable stars.
  • 1945–50

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