障碍物
发表于 2025-3-28 14:54:21
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慌张
发表于 2025-3-28 22:41:00
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菊花
发表于 2025-3-29 02:42:04
Masahiko Aokiamong authorities on linear algebra that determinant theory is important only as a branch of matrix theory. In sections devoted entirely to the establishment of a determinantal relation, many authors de?ne a determinant by ?rst de?ning a matrixM and then adding the words: “Let detM be the determinan
confide
发表于 2025-3-29 05:56:06
Gérard Rolandamong authorities on linear algebra that determinant theory is important only as a branch of matrix theory. In sections devoted entirely to the establishment of a determinantal relation, many authors de?ne a determinant by ?rst de?ning a matrixM and then adding the words: “Let detM be the determinan
Grandstand
发表于 2025-3-29 09:13:24
Herbert Gintisuropean Science Foundation and its staff in Strasbourg is gratefully acknowledged. Introduction Emerging chemical knowledge and the development of chemical industry, and particularly the interaction between them, offer rich fields of study for the historian. This is reflected in the contents of the three work978-90-481-4972-8978-94-017-1233-0
向前变椭圆
发表于 2025-3-29 12:33:00
Geoffrey M. Hodgson,Thorbjørn Knudsenience Foundation and its staff in Strasbourg is gratefully acknowledged. Introduction Emerging chemical knowledge and the development of chemical industry, and particularly the interaction between them, offer rich fields of study for the historian. This is reflected in the contents of the three work
我悲伤
发表于 2025-3-29 18:40:40
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Mechanics
发表于 2025-3-29 22:22:42
ce on dyes, BASF had since the turn of the century carried out intensive research in a new area of chemistry, the fixation of atmospheric nitrogen. BASF’s target was the nitrogen fertiliser market, at that time potentially one of the biggest sectors for the chemical industry with a volume almost ten