ratio of concentration

例句：

1. 1. The experiment was designedto measure the concentration ratio of different chemicals.
   这个实验旨在测量不同化学物质的浓度比。
2. 2.The ratio of sugar to water in thisrecipe is crucial for achieving the desired texture.
   食谱中糖与水的比例对于达到理想的口感至关重要。
3. 3. The ratio of carbohydrates toproteins in a balanced diet is essential formaintaining good health.
   均衡饮食中碳水化合物与蛋白质的比例对于保持健康至关重要。