名词
中文翻译：累积频率
同义词：
['cumulative', 'cumulative sum']
例句：
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1.The data shows a cumulative frequency of 80% for the product's sales over the past year.
数据显示，该产品过去一年的销售累计频率为80%。
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2. In this study, we calculated the cumulative frequency of the errors made by each participant.
在这项研究中，我们计算了每位参与者所犯错误的累计频率。
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3.The company aims to increase its market share by increasing the cumulative frequency of its products in the market.
该公司旨在通过提高其产品在市场上的累计频率来增加市场份额。