下垂
发表于 2025-3-26 23:56:21
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建筑师
发表于 2025-3-27 04:11:06
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老人病学
发表于 2025-3-27 08:17:16
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难听的声音
发表于 2025-3-27 12:26:52
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潜伏期
发表于 2025-3-27 15:38:37
Tensor Calculus,We have seen that the space—time of general relativity is a four-dimensional manifold and that gravity is encoded in the metric tensor. It manifests itself in the relative acceleration of local inertial frames, and thus in variations in the metric from event to event.
Amendment
发表于 2025-3-27 21:32:46
,Einstein’s Equation,The relative acceleration of two nearby particles in free-fall is determined by the equation of geodesic deviation
BRACE
发表于 2025-3-27 23:58:13
Spherical Symmetry,In this chapter, we find the gravitational field outside a spherical body of mass .. That is, we find the solution of the vacuum equation analogous to the Newtonian potential
四牛在弯曲
发表于 2025-3-28 03:07:22
,Orbits in the Schwarzschild Space—Time,We now look at particle motion in the Schwarzschild background. Our main aim is to derive corrections to Kepler’s laws, so we think of the gravitational field as that of the sun. By a ‘particle’, we mean a very small body, such as a planet, whose own gravitational field can be ignored.
achlorhydria
发表于 2025-3-28 10:07:35
Complement in Health and Diseaseou do experiments in the cabin of a ship on a calm sea—for example, by dripping water into a bucket or by observing the flight of insects—then you will get the same results whether the ship is moving uniformly or at rest. The common motion of the ship and the objects of the experiment has no detecta
异常
发表于 2025-3-28 11:20:00
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