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标题: IR13-18题 The world health organization(WHO)has produced a comprehensive set of g [打印本页]

作者: hejing3263    时间: 2014-5-27 19:41
标题: IR13-18题 The world health organization(WHO)has produced a comprehensive set of g
划红线部分,直译如下:对于n=3,15,50,85,and 97,指定年龄的身高百分比是指那个指定年龄中男孩身高的特定身高,这个身高在那个年龄的男孩当中大于等于n%,小于等于(100-n)%.

举例:2岁男孩3rd对应81.4cm身高,是指81.4cm在2岁男孩中大于等于3%,小于等于97%.换句话说,是指最多3%的2岁男孩身高小于81.4cm,至少97%的男孩身高大于81.4cm。

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作者: 可乐可乐    时间: 2017-3-29 22:36
非常感谢,已解惑!




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