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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 hē
′
lē ə gram′),
USA pronunciation
n.
Optics
a photograph of the sun made with a spectroheliograph.
spectro
- +
heliogram
1905–10
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更新时间:2025/12/23 16:12:46