A term describing the total size of the radio audience at any point.
用来表示在任一时间点收听广播的听众总量。
The term efficiency is used to describe anything that affects sample size.
效率“常用来描述影响样本量的任何因素；”
A term describing the total size of the audience, in households, at anyone time.
代表在任一时间点家庭中的受众总量。
A term describing the total size of the audience, in households, at anyone time.
代表在任一时间点家庭中的受众总量。
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