与"focusing telescope"相近的词条

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• focusing range
• focusing reflector
• focusing ring for fiberscope
• focusing screen
• focusing system
• focusing telescope
• focusing therapy
• focus(on)
• focusser
• focussin mechanism
• focussing
• focussing effect
• focussing glass
• focussing grid
• focussing knob
• focussing plane

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