名词
中文翻译：负方差
同义词：
['negative deviation', 'negative dispersion']
例句：
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1.The data shows a negative variance in the sales figures.
数据显示销售数据存在负方差。
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2.The model predicts with a negative variance of 0.2.
该模型预测的方差为0.2，呈负方差。
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3. The team's performance is negatively influenced by the negative variance in their results.
团队的表现受到其结果负方差的影响。