Glower
发表于 2025-3-30 09:26:46
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珠宝
发表于 2025-3-30 15:30:54
Gratings and Zone Plates,, called, in optical terminology, .. We noted earlier, in connection with Figure 1.2, that when one of two wave sets is a full wavelength ahead of the other, the two again ., and, therefore, as in Figure 2.16, wave energy is diffracted into those off-angle directions for which such a condition holds.
duplicate
发表于 2025-3-30 20:09:09
Properties of Holograms,ar characteristic of holograms, and the one undoubtedly responsible for the tremendous popular interest they have evoked, is their ability to create an extremely realistic illusion of three dimensions.
occurrence
发表于 2025-3-30 23:06:59
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没有准备
发表于 2025-3-31 02:26:35
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craven
发表于 2025-3-31 06:01:15
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纤细
发表于 2025-3-31 09:24:32
Legal Principles, Uncertainty, and Variability in Risk Assessment and Management,