愉快吗 发表于 2025-3-28 16:48:30
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Geophysical Aspects of Meteors,t few years have not supported this belief and it is now generally agreed that these sporadic meteors move in short period orbits around the sun and essentially belong to the solar system. With regard to the shower meteors, many of these move in cometary orbits, although the relationship with particCULP 发表于 2025-3-29 07:44:36
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Book 1957and turbulent diffusion. 19. RICHARDSON‘S criterion. The right-hand side of (15.10) represents the rate of production of eddy energy. The last term represents energy loss by dissipation; in order that the eddy energy shall be maintained, it is therefore necessary that P div V" - (! V" v" . grad. v > O.Extemporize 发表于 2025-3-30 04:19:53
Widerstandsverhalten von Halbleitern,a similar type to the primary tidal force. Other influences have time-variations comparable with the periods of the tidal forces and often attain considerable amplitudes. They are mainly of meteorological origin and combine with geological or tectonic conditions.