interval of grouping [统计] 分组间隔
interval type grouping 组距式资料
Undo Grouping Interval 撤销的间隔
Design: a randomized and interval grouping design.
设计：随机区间分组设计。
When grouping by prefix characters, you must set the Interval to an integer.
当以前缀字符分组时，您必须将“间隔”设置为整数。
The ichnofacies is the grouping of characteristic trace fossil association tending to rscirrence through a rather long interval of geologic time, and their environmental implication.
遗迹相是指一组具有特征的遗迹化石组合，在一段相当长的地质时期中不断的重视以及它们的环境意义。
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