我不明白
发表于 2025-3-23 11:03:05
Weak Gravitational Fields,m the Minkowski metric: The difference is expressed by the term 2. of the Schwarzschild metric, having its maximum value of the order of 10. at the surface of the Sun. Inside the Sun this difference will be larger, depending on the detailed distribution of the Sun’s mass, but it is not expected to e
aplomb
发表于 2025-3-23 16:56:19
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Breach
发表于 2025-3-23 21:52:55
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Heresy
发表于 2025-3-23 23:26:14
A. Papapetroullaborative nature of the European space goals, represented The European Space Agency has a long history of human spaceflight, flying in space with both NASA and the Soviet/Russian space agencies over the years. This book tells the story of the ESA astronauts who have visited the International Space
intricacy
发表于 2025-3-24 04:36:24
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adhesive
发表于 2025-3-24 06:42:24
A. Papapetroullaborative nature of the European space goals, represented The European Space Agency has a long history of human spaceflight, flying in space with both NASA and the Soviet/Russian space agencies over the years. This book tells the story of the ESA astronauts who have visited the International Space
起来了
发表于 2025-3-24 13:01:16
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critique
发表于 2025-3-24 15:11:32
Tensor Calculus,ystem. Studying the way in which these values change with the coordinate system leads to the concept of ., which we shall develop in this chapter. With the help of this concept we can express the physical laws by ., which have the same form in any coordinate system.
Oration
发表于 2025-3-24 21:37:07
The Gravitational Field, planets. Nevertheless, this theory cannot be maintained as it is, because it uses the prerelativistic concepts of absolute space and absolute time: We have to modify it at least so as to make use of the space-time of the special theory of relativity.
Entreaty
发表于 2025-3-25 02:22:40
Some Other Exact Solutions,us field equation (19.7). In the macroscopic description of matter the tensor . λµ is assumed to be of the form: .; . is the density of proper mass, µλ the macroscopic 4-dimensional velocity and .λµ the stress tensor.