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光栅扫描禁入系统
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光栅扫描禁入系统
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raster scan disentry system
光栅扫描禁入系统
电子束依据固定的扫描顺序,每一个像素必须被逐次扫描,最后将完成整个屏幕扫描的图像显示出来,然后依据扫描出的信息与系统原有信息对比,禁止非法情况进入的系统。
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hydrogen prominence
hydrogen proportional counting tube
hydrogen purification
hydrogen recombination
hydrogen recombination line
hydrogen recovery
hydrogen reduction process
hydrogen refueling station
hydrogen region
hydrogen-rich donor
hydrogen rich gas
hydrogen separation and purification
hydrogen separation system
hydrogen spectrum
hydrogen star
hydrogen storage
hydrogen storage alloy
hydrogen storage by highpressure
hydrogen storage by physical adsorption
hydrogen storage capacity
hydrogen storage-complex hydrides
hydrogen storage electrode material
hydrogen storage-liquid hydrigen
hydrogen storage material
hydrogen-storage material
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