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单词 orbit-sweeper
释义

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orbit-sweeper
orbit-sweeper n. Obsolete a telescope mounted on bearings so that it can follow the path in the sky of a comet or planet.
ΚΠ
1875 E. H. Knight Amer. Mech. Dict. II. 1564/2 Orbit-sweeper, [a telescope and bearings] invented by Airy, to follow the inclined path of a comet or planet.
extracted from orbitn.
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更新时间:2024/12/25 10:20:12