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四维空间 [sì wéi kōng jiān]
[数] four-dimensional space
- 通常，我们能以想象把四维空间的宇宙“切割”成三维空间里“时间的时刻”。
Ordinarily we can imagine “slicing” our four-dimensional universe into three-dimensional “moments of time.” - 这一区别引领了数十年的数学和物理学领域的研究，包括1984年由西蒙·唐纳森发现的伪四维空间。
The dichotomy has led to decades of research in mathematics and physics, including the discovery of “fake” four-dimensional spaces by Simon Donaldson in 1984. - 本文对四维空间中几何元素绕平面旋转和绕直线旋转的基本原理及作图规律进行了探讨。
In this paper the author deals with the basic principles being put into drawing practice of geometric elements rotating about a plane and a line in four-dimensional space.
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