ratio of closing error

例句：

1. 1. The ratio of the population to the land area is a critical factor in determining sustainable development.
   人口与土地面积的比例是决定可持续发展的关键因素。
2. 2. The ratio of male to female students in the class was almost equal.
   班上男生和女生的比例几乎相等。
3. 3. The ratio of sugar to water in this recipe will affect the texture of the final product.
   食谱中糖和水的比值将影响最终产品的质地。