分布频率 [
fēn bù pín lǜ]

[统计] distribution frequency
- 两组的分布频率差异有显著性。
A significant difference was seen in the distribution frequency in the two groups. - 砾石含量增加,沉积物分选变差,沉积物粒度分布频率曲线多由单峰变双峰乃至多峰;
The sediments" sorting became poorer and the granularity distribution frequency curves mostly changed from single-peak to double or multi-peak." - 壮族人群中单倍型辐射群体分布频率、系统树中壮族人群与其他人群聚类先后次序都表明壮族是一个较为典型的南方群体。
The frequencies of the radiation groups in Zhuangs, together with the phylogenetic relationship of the Zhuang ethnic group in the tree suggest that the Zhuang is a typical south population.