cumulative frequency curve
... cumulative frequecy累积频数；累积频率 cumulative frequency curve累积频数曲 cumulative frequcncy distribution累积频数分布 ...
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短语
累积频数曲线
cumulative frequency curve
累积频数曲线图
cumulative frequency polygon
相对累积频数曲线
relative cumulative frequency curve
累积频率[数]曲线
cumulative frequency curve
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