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孔径光阑
met. aperture diaphragm; aperture plate
space aperture stop (一种光学元件)
tech. aperture stop
孔径光阑隔模板
mil., air.def. apertured diaphragm; apertured stop
孔径光阑: 11 phrases in 5 subjects
Construction1
Earth sciences1
Electronics1
Space2
Technology6

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