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有 256 份血样，需要几次能检测出抗体阳性的总数？
source link: https://www.v2ex.com/t/659522
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问与答 - @takemeh - 由于检测的是抗体而不是抗原，所以只统计总数就有很大的意义，不用精确到是哪个血样有抗体。假设只能检测是否含有抗体，而无法测量浓度(实际每份血样的抗体浓度也是不一样的)。再假设可以检测几份
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