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单词
siderostatic
释义
WordReference Random House Unabridged Dictionary of American English © 2024
sid•er•o•stat
(sid
′
ər ə stat′),
USA pronunciation
n.
Astronomy, Optics
a telescopic device for reflecting the light of a star in a constant direction, the chief component of which is a plane mirror turned by a clock mechanism to correct for the rotation of the earth.
sidero
-
2
+ -
stat
1875–80
sid′er•o•stat
′
ic
,
adj.
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更新时间:2025/7/23 17:22:40