与"beam divergence angle"相近的词条

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• beam direction indicator
• beam director
• beam display
• beam distribution
• beam divergence
• beam divergence angle、beam-divergence angle
• beam dosimetry
• beam ejection
• beam element
• beam emittance
• beam-ends
• beam energy degradation
• beam energy degrader
• beam energy degrading system
• beam energy loss
• beam energy maximization

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