名词
中文翻译：比例测试
同义词：
['ratio test', 'ratio analysis']
例句：
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1.The ratio of the population to the number of cars is a key factor in determining traffic congestion.
人口与汽车数量的比例是决定交通拥堵的关键因素。
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2. The ratio of male to female students in this class is almost equal.
这个班级中男生和女生的比例几乎相等。
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3. The ratio of sugar to water in this recipe is crucial for achieving the desired texture.
食谱中糖与水的比例对于达到理想的质地至关重要。