名词
中文翻译：Unknown
同义词：
['effectiveness', 'productivity', 'efficiency', 'efficacy']
例句：
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1. The new machine has greatly improved the production efficiency of our factory.
新机器大大提高了我们工厂的生产效率。
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2.The teacher's explanation was very clear and helped improve the students' understanding of the material.
老师的讲解非常清晰，有助于提高学生们对材料的理解。
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3. The company's new strategy aims to increase its efficiency in resource allocation.
该公司的新策略旨在提高其在资源分配方面的效率。