Through the analysis of frequency distribution testing in 116m scale, Halostachys caspica population shown congregation pattern in 2m×2m、4m×4m、16m×16m scales. Haloxylon ammodendron population congregated within the scales of 4m×4m、8m×8m、16m×16m and Haloxylon persicum population congregated in 1m×1m、8m×8m scales.
与此同时,分析结果还表明,用频次分布型检验法判断种群空间格局的类型受样方尺度大小的限制。
参考来源 - 准噶尔盆地西北缘典型荒漠植物群落优势种种群空间格局分析·2,447,543篇论文数据，部分数据来源于NoteExpress
六西格玛黑带应该能够计算出一个分组发生频次分布数据的均值和标准偏差。
The Six Sigma Black Belt should be able to compute the mean and standard deviation from a grouped frequency distribution.
根据体重的频次分布特征并参照发育与繁殖状况制订年龄划分标准。
Age groups were divided according to the frequency distribution characteristics of body weight and the developmental and reproductive status.
本文借助于平稳时间序列的极值分布理论，对南京地区异常低温事件频次和强度建立统计模型。
The statistical model of frequency and intensity of anomalous microtherm events in Nanjing is established by means of the extreme value distribution theory of stationary time series.
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