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单词 spectroheliogram
释义

WordReference Random House Unabridged Dictionary of American English © 2024
spec•tro•he•li•o•gram  (spek′trō hēlē ə gram′),USA pronunciation n. 
  1. Opticsa photograph of the sun made with a spectroheliograph.
  • spectro- + heliogram 1905–10

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