与"proportion of aged population"相近的词条

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• proportalcontrol
• proportion
• proportion by weight
• proportion free thyroxin(e)
• proportion method
• proportion of aged population
• proportion of cause of death
• proportion of total expenditure spent on food
• proportiona
• proportionable
• proportional
• proportional allocation
• proportional allocation in stratifled random sampling
• proportional amplifier
• proportional bag sampling
• proportional band

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