圆桶
发表于 2025-3-25 05:41:24
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NATAL
发表于 2025-3-25 08:28:46
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collateral
发表于 2025-3-25 14:01:02
Claire M.R. Ginn,Peter Willett,John Bradshaw time. This is obviously an idealized situation and we know that the radiation from an ordinary light source consists of finite* size wave trains, a typical 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 ph
易发怒
发表于 2025-3-25 17:27:54
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反复拉紧
发表于 2025-3-25 20:09:33
Variability of Air Temperature,sensitive material reacts to the . of light falling on it and consequently, after developing and fixing of the photographic plate, one obtains a permanent record of the intensity distribution that existed at the plane occupied by the photographic plate when it was exposed. In this process, the phase
lacrimal-gland
发表于 2025-3-26 02:45:19
Variability of Air Temperature,g which the self-focusing of intense laser beams occupies an important place because of its relevance to other nonlinear effects. The self-focusing effect arises primarily due to the dependence of the refractive index of a material on the intensity of the propagating electromagnetic wave. This nonli
Traumatic-Grief
发表于 2025-3-26 04:17:24
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colostrum
发表于 2025-3-26 10:13:21
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错
发表于 2025-3-26 13:15:05
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Oration
发表于 2025-3-26 17:28:44
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