与"active neutron assay"相近的词条

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• active movement
• active mycelium
• active nasopharyngoscope
• active negativism
• active nephrotic syndrome
• active neutron assay
• active neutron interrogation method
• active nitrogen
• active noise control
• active non-resisted exercise
• active nucleus
• active nutritive period
• active opening
• active optical fiber
• active output
• active oxygen

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