正态母体特征值（母体均值、百分位值、百分率、标准差和变异系数等）的检验是工程中常见的问题。
The normal population characteristics, such as the mean, standard deviation, percentile, percentage and coefficient of variation, are often tested in engineering.
在以理想的位周期的百分数表示的同步数据里，用以表示两个峰值间的最大定时变化值。
The maximum peak-to-peak value of the timing variations in synchronous data expressed as a percentage of the ideal bit period.
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.
建议将长沙市12～17随男生年龄别第75百分位数值及女生年龄别第85百分位数值作为腰围切点值。
It is suggested that the optimal cutoff values of WC are P_(75)and P_(85), respectively in Changsha boys and girls aged from 12 to 17 years old.
建议将长沙市12～17随男生年龄别第75百分位数值及女生年龄别第85百分位数值作为腰围切点值。
It is suggested that the optimal cutoff values of WC are P_(75)and P_(85), respectively in Changsha boys and girls aged from 12 to 17 years old.
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