与"helical thickening"相近的词条

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• helical sheath
• helical spring
• helical structure
• helical symmetry
• helical symmetry virus
• helical thickening
• helical tube
• helical virion
• helical virus particle
• helicalflight
• helicalstructure
• helicase
• helicase(unwinding protein)
• Helicella
• Helicellidae
• helicene

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