最高峰
发表于 2025-3-25 03:53:06
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Arroyo
发表于 2025-3-25 08:33:24
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epidermis
发表于 2025-3-25 11:52:01
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提炼
发表于 2025-3-25 17:53:28
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使入迷
发表于 2025-3-25 20:22:04
isure venues in London, but also the manner in which institutions such as coffee bars, music clubs, and dance halls, as well as youth clubs, paved the way for the reworking of traditional recreational activities as modern constituents of youth identity. It examines, therefore, the way in which coffe
indicate
发表于 2025-3-26 00:29:41
Introduction,magnetogasdynamics” it has developed into a wide field of research. In contradistinction, the corresponding problem of the interaction between electromagnetic fields and solid bodies has long remained dormant. Of course, certain special effects as, for instance, piezoelectricity or photoelasticity,
Modify
发表于 2025-3-26 07:08:48
Some Basic Relations,ic displacement ., the magnetic induction (or flux density) . and the electric current density .. The third and fourth equation are, to some extent, consequences of the first two. ρ. denotes the electric charge density. The fourth equation shows that no magnetic charge, i.e., no single magnetic pole
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发表于 2025-3-26 10:08:49
8楼
Atmosphere
发表于 2025-3-26 16:27:42
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印第安人
发表于 2025-3-26 17:11:01
8楼