名词
中文翻译：头差
同义词：
['head difference', 'head disparity']
例句：
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1. The team's performance was significantly better than the previous year's.
该队的表现比去年好得多。
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2. The company is making a significant head differential in its product line.
该公司在其产品线上实现了显著的头部差异。
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3. The researcher found that the head differential between different groups of people was not significant.
研究人员发现不同人群之间的头部差异并不显著。