armistice 发表于 2025-3-25 06:05:26

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两种语言 发表于 2025-3-25 09:18:36

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NORM 发表于 2025-3-25 14:16:01

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Contracture 发表于 2025-3-25 18:41:23

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META 发表于 2025-3-25 20:26:08

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易改变 发表于 2025-3-26 03:52:50

Proton Exchange Membrane Water Electrolysis, a distance of approximately 12 million light years. This explosion is an example of an event, wherein its position and time are described from our point of view, i.e., the viewpoint of the human beings on Earth. We can set Earth as the origin of a coordinate system of spacetime and assign the coordinates (., ., ., .).

arthrodesis 发表于 2025-3-26 05:34:26

Euclidean Plane,es not have special points or directions. When this plane is equipped with a coordinate system, it is given the origin . and .- and .-axes. The Euclidean plane with a coordinate system can be identified by ., the set of all ordered pairs (., .) of real numbers. We will not distinguish . and . in this book.

Prosaic 发表于 2025-3-26 08:33:44

Geometry of Special Relativity, a distance of approximately 12 million light years. This explosion is an example of an event, wherein its position and time are described from our point of view, i.e., the viewpoint of the human beings on Earth. We can set Earth as the origin of a coordinate system of spacetime and assign the coordinates (., ., ., .).

调整校对 发表于 2025-3-26 12:55:33

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镶嵌细工 发表于 2025-3-26 18:53:58

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查看完整版本: Titlebook: Geometry: from Isometries to Special Relativity; Nam-Hoon Lee Textbook 2020 Springer Nature Switzerland AG 2020 Euclidean geometry and rel