名词
中文翻译：比例项目
同义词：
['proportional item', 'proportional part']
例句：
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1. In the study, we found that the proportion of female students was higher than that of male students.
在这项研究中，我们发现女性学生的比例高于男性学生。
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2. The company decided to increase its investment in renewable energy sources to reduce its environmental impact.
该公司决定增加对可再生能源的投资以减少其环境影响。
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3. The ratio of sugar to water in this recipe is 1:1, so you will need to adjust the amount ofeach ingredient accordingly.
这个食谱中糖和水的比率是1:1，所以你需要相应地调整每种食材的用量。