与"natural infection"相近的词条

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• natural inbreeding
• natural increase
• natural increase of population
• natural increase rate
• natural indigo
• natural infection
• Natural insemination
• natural integration
• natural irradiation
• natural isoagglutinin
• natural isohemagglutinin
• natural joint
• natural juice
• natural kill cell stimulating factor
• natural kill cell tumor-recognition molecule
• natural killer

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