Cumulative Frequencies

Methods Based on data composed of 34 549 cases of thyroid volume in children aged 8 , 9 and 10 years , we used the methods of cumulative frequencies and cluster analysis for the study of our data in detail .

方法以全国1999年B超法检查34549例8,9,10岁儿童甲状腺容积的数据为基础，利用累计频数法、聚类分析法作分组、分类分析、划分所求得目标界限并用实际数据作合理性检验。

The relationships between occurrence time and cumulative frequencies of strong quakes in these five areas are shown to be an exponential distribution or power function .

经研究，这5个小区中强震发生的时间与累积频度间均符合幂函数或指数关系。

The design wave heights in five directions for the different return periods and cumulative frequencies as well as the average periods in different return periods are estimated .

推算了五个方位的不同重现期、不同累积率的设计波高和不同重现期的平均周期。

The roles of surface frequencies , cumulative morpheme frequencies , and semantic transparencies in the processing of compound words ;

合成词加工中的词频、词素频率及语义透明度《书目信息系统术语词库》