名词
中文翻译：Unknown
同义词：
['effectiveness', 'efficacy', "efficiency例句：1. The new machine has greatly improved the factory's efficiency.（新机器大大提高了工厂的效率。）2. The teacher's explanation was very clear and efficient.（老师的讲解非常清晰且高效。）3. The software's efficiency is measured by its ability to complete tasks quickly and accurately.（软件的效率通过其快速且准确地完成任务的能力来衡量。）"]
例句：
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1. The new machine has greatly improved the factory's efficiency.
新机器大大提高了工厂的效率。
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2. The teacher's explanation was very clear and efficient.
老师的讲解非常清晰且高效。
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3. The software's efficiency is measured by its ability to complete tasks quickly and accurately.
软件的效率通过其快速且准确地完成任务的能力来衡量。