名词
中文翻译：最大下界
同义词：
['upper bound', 'lower bound例句：1. In the study of optimization', 'the greatest lower bound is a crucial concept.（在优化研究中，最大下界是一个关键概念。）2. The team achieved their greatest lower bound in performance.（该团队在性能方面达到了其最大下界。）']
例句：
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1. In the study of optimization, the greatest lower bound is a crucial concept.
在优化研究中，最大下界是一个关键概念。
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2. The team achieved their greatest lower bound in performance.
该团队在性能方面达到了其最大下界。
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3. The researcher found that the greatest lower bound for this problem was within a certain range.
研究者发现这个问题的最大下界在这个范围内。