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单词 planisphere
释义
pla·ni·sphere (plānĭ-sfîr)
n.
1. A representation of a sphere or part of a sphere on a plane surface.
2. Astronomy A polar projection of half or more of the celestial sphere on a chart equipped with an adjustable overlay to show the stars visible at a particular time and place.

plani·spheric (-sfîrĭk, -sfĕr-), plani·spheri·cal (-ĭ-kəl) adj.
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更新时间:2025/3/22 6:17:52