名词
中文翻译：负偏差
同义词：
['negative error', 'negative deviation', 'negative bias']
例句：
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1. The datashows a negative deviation from the expected trend.
数据显示与预期趋势不符。
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2. The researcher found that there was a negative deviation in the results.
研究人员发现结果有偏差。
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3. The model's predictions were consistently negative, indicating a need for improvement.
模型的预测一直偏负面，表明需要改进。