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单词 photoheliograph
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pho•to•he•li•o•graph  (fō′tə hēlē ə graf′, -gräf′),USA pronunciation n. [Astron.]
  1. Astronomyan instrument for photographing the sun, consisting of a camera and a specially adapted telescope. Also called heliograph. 
  • 1860–65; photo- + heliograph
pho•to•he•li•o•graph•ic  (fō′tə hē′lē ə grafik),USA pronunciation adj.  pho•to•he•li•og•ra•phy  (fō′tə hē′lē ogrə fē),USA pronunciation n. 
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更新时间:2025/2/23 9:19:11