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波带板
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波带板
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zone plate
波带板
具有使点光源或不大的物体成实像的作用,且对于所考察的点,只让奇数或偶数半波带通过,使得波阵面在所考察点产生合成振动的振幅为相应各半波带所生振动振幅之和的光学屏板。
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number of inversions
number of local moduli
number of monofilaments
number of outbound
number of outbound tourists
number of participants
number of partitions
number of permutations
number of person-days
number of places
number of plate
number of R & D personnel
number of reading days per week
number of reeling with confine raw silk size
number of reorderings
number of repetitions
number of replications
number of rows
number of runs
number of samples
number of scans
number of scans (NS)
number of science and technology archives
number of search
number of share
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