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与"beam-defining"相近的词条

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• beam current limitation
• beam-current monitor
• beam (-current)monitor
• beam decay rate
• beam decentricity
• beam-defining
• beam defining aperture
• beam defining clipper
• beam-defining diaphragm
• beam defining jaw
• beam defining slit
• beam deflection
• beam deflection flowmeter
• beam-deflection valve
• beam deflector
• beam defocusing

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