名词
中文翻译：比例法
同义词：
['ratio', 'ratio method']
例句：
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1.The ratio of sugar to water in the solution is 1:2.
溶液中糖与水的比例是1:2。
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2.The ratio of carbon dioxide to oxygen in the air is approximately 0.049.
空气中二氧化碳与氧气的比例大约为0.049。
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3. The ratio of male to female students in the class is roughly equal.
班级中男生与女生的比例大致相等。