名词
中文翻译：关键比例
同义词：
['critical ratio', 'key ratio', 'critical ratio']
例句：
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1. The engineerused a key ratio of 0.5 to optimize the system's performance.
工程师使用一个关键的比值0.5来优化系统的性能。
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2. In the study, the key ratio was found to be crucial for understanding the disease.
在该研究中，关键比值被发现对于理解疾病至关重要。
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3. The researchers adjusted the key ratio to improve the accuracy of their measurements.
研究人员调整了关键比值以提高他们测量的准确性。