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与"variable filter"相近的词条

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• variable energy accelerator
• variable energy cyclotron
• variable energy synchrocyclotron
• variable error
• variable expressivity
• variable filter
• variable filtration tomography
• variable flow
• variable focus condenser
• variable focus lens
• variable focus lenses
• variable focus objective
• variable focuslens
• variable force
• variable format code
• variable fraction sampling

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