与"variable focus lenses"相近的词条

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• 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
• variable frequency、variable-frequency
• variable frequency clock
• variable frequency generator
• variable frequency oscillator、variable-frequency oscillator
• variable frequency thromboviscometer

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