与"internal validity"相近的词条

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• internal urethral orifice
• internal urethroplasty
• internal urethrotomy
• internal use
• internal-use paddle
• internal validity
• internal valve
• internal vein
• internal ventrocaudal nucleus
• internal version
• internal vertebral vein
• internal vertebral venous plexus
• internal vertical seta
• internal viscometer
• internal viscosimeter
• internal viscosity

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