与"half value period"相近的词条

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• half-value
• half-value dose
• half value layer、half-value layer
• half-value layer meter
• half value layer(HVL)
• half value period、half-value period
• half value thickness、half-value thickness
• half value width、half-value width
• half vision
• half viviparous
• half volley、half-volley
• half-watt lamp
• half wave、half-wave
• half-wave circuit
• half-wave plate
• half-wave potential、half wave potential

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