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单词 pseudo-angle
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pseudo-angle
pseudo-angle n.
Brit. /ˈs(j)uːdəʊˌaŋɡl/
,
U.S. /ˈsudoʊˌæŋɡ(ə)l/
Mathematics a quantity in a non-Euclidean space or a space of more than three dimensions analogous to an angle in two- or three-dimensional Euclidean space.
ΚΠ
1890 Cent. Dict. Pseudo-angle, an angle in non-Euclidean geometry.
1945 Bull. Amer. Math. Soc. 51 162 (title) The pseudo-angle in space of 2n dimensions.
1999 Trans. Amer. Math. Soc. 351 2968 A pseudoangle p is said to be trivial if the corresponding u-path is trivial.
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