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标题: IR50 疑问 [打印本页]

作者: ilymm    时间: 2015-5-26 12:03
标题: IR50 疑问
请问我附的这套题,为什么C不对呢?



既然weight是在50th percentile of height
那么height不也就是50th percentile of weight吗?





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