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单词
galilean telescope
释义
WordReference Random House Unabridged Dictionary of American English © 2024
Gal
′
ile
′
an tel
′
escope,
Optics
a refracting telescope that forms an erect image, consisting of an objective of relatively long focal length that causes light rays to converge and an eyepiece of short focal length that causes them to diverge.
1715–25
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更新时间:2025/7/23 12:21:28