标准
发表于 2025-3-23 10:19:15
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危险
发表于 2025-3-23 14:32:06
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贞洁
发表于 2025-3-23 20:03:13
Claire M.R. Ginn,Peter Willett,John Bradshawypical time variation of which is shown in Fig. 5.1. As can be seen from the figure, the electric fields at times . and . + Δ. will have a definite phase relationship if Δ. ⪡ τ. and will (almost) never have any phase relationship for Δ. ⪢ τ., where τ. represents the average duration of the wave trains (see Fig. 5.1).
Epithelium
发表于 2025-3-23 23:46:11
Variability of Air Temperature,fect arises primarily due to the dependence of the refractive index of a material on the intensity of the propagating electromagnetic wave. This nonlinear dependence may arise, among others, from the following mechanisms:
Circumscribe
发表于 2025-3-24 03:10:01
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cathartic
发表于 2025-3-24 08:47:05
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Costume
发表于 2025-3-24 13:39:27
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轿车
发表于 2025-3-24 18:13:02
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concubine
发表于 2025-3-24 22:31:01
Digital Communications Over Analog Channels,obtain all the laws of propagation of light as solutions of Maxwell’s equations. This problem is, in general, difficult to solve and rigorous solutions may be obtained only for some simple systems.* Hence one is led to consider approximations that might give easily understood solutions and also desc
躲债
发表于 2025-3-25 00:59:37
Digital Communications Over Analog Channels,approximation, i.e., the rays forming the image were assumed to lie infinitesimally close to the axis and to make infinitesimally small angles with it. It was found that the images of point objects were perfect, i.e., all rays starting from a given object point were found to intersect at . point, wh