目的年龄别百分位数是许多临床参考值的基本参数，本文研究一种适合于任意分布，能更精确描述这些基本参数随年龄变化的曲线平滑方法。
Objective To construct age related centile curves, which can be read off as clinical references by a more flexible and more precise smoothing method to describe the numerical change with age.
目的年龄别百分位数是许多临床参考值的基本参数，本文研究一种适合于任意分布，能更精确描述这些基本参数随年龄变化的曲线平滑方法。
Objective To construct age related centile curves, which can be read off as clinical references by a more flexible and more precise smoothing method to describe the numerical change with age.
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