名词短语
中文翻译：分类有效性同义词
同义词：
['classification efficiency', 'classification efficacy']
例句：
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1. The classification system used in this study has a high level of effectiveness.
这项研究中使用的分类系统具有很高的有效性。
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2. The new algorithm significantly improved the classification effectiveness of the system.
新算法显著提高了系统的分类有效性。
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3. In order to improve the classification effectiveness, we need to optimize the training data.
为了提高分类有效性，我们需要优化训练数据。