名词
中文翻译：选择性比率
同义词：
['selectivity index', 'selectivity coefficient']
例句：
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1. The company's profitability is closely related to its market share and the selectivity ratio of its products.
公司的盈利能力与其市场份额和产品选择性比率密切相关。
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2. The research team found that the selectivity ratio of the drug was significantly higher than expected.
研究团队发现，该药物的选择性比率显著高于预期。
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3.The selective ratio of the new drug was much higher than the old one, indicating that it had better efficacy.
新药的选择性比率远高于旧药，表明其疗效更佳。