大雨
发表于 2025-3-23 09:46:12
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placebo
发表于 2025-3-23 17:54:00
https://doi.org/10.1007/978-3-030-14899-7. is a multidimensional generalization of the intrinsic geometry of 2D surfaces in the Euclidean space ..
云状
发表于 2025-3-23 18:58:55
https://doi.org/10.1057/9781137501394A . is a real 2D (two-dimensional) .., i.e., a ., each point of which has a neighborhood which is homeomorphic to a plane ., or a closed half-plane (cf. Chap. .)..A compact orientable surface is called . if it has no boundary, and it is called a ., otherwise.
modest
发表于 2025-3-23 22:37:23
Marco Bertoni,Hakki Eres,Jim ScanlanA . in the .-dimensional Euclidean space . is a convex . subset of ..
嘲弄
发表于 2025-3-24 06:20:30
https://doi.org/10.1007/978-94-017-4456-0A . (., ⋅ , .) is a set . of elements with a binary operation ⋅ , called the ., that together satisfy the four fundamental properties of . (. ⋅ . ∈ . for any ., . ∈ .), . (. ⋅ (. ⋅ .) = (. ⋅ .) ⋅ . for any ., ., . ∈ .), the . (. for any . ∈ .), and the . (for any . ∈ ., there exists an element .. ∈ . such that .
做方舟
发表于 2025-3-24 07:59:30
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发芽
发表于 2025-3-24 12:37:07
https://doi.org/10.1007/978-1-4020-8200-9Here we consider the most important metrics on the classical number systems: the semiring . of natural numbers, the ring . of integers, and the fields ., ., . of rational, real, complex numbers, respectively.
防御
发表于 2025-3-24 17:23:39
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得体
发表于 2025-3-24 20:45:33
John W. Evans,Jillian Y. Evans DoctorA . is a .., where . is the set of all measurable subsets of ., and . is a measure on . with .. The set . is called a ..
Crayon
发表于 2025-3-24 23:38:34
,e-Business — electronic business and PLM,A . is a pair . = (., .), where . is a set, called the set of . of the graph ., and . is a set of unordered pairs of vertices, called the . of the graph .. A . (or .) is a pair . = (., .), where . is a set, called the set of . of the digraph ., and . is a set of ordered pairs of vertices, called . of the digraph ..