hairiness ratio

例句：

1. 1. The measurement of hairiness ratio is crucial for determining the suitability of a material for use in hair care products.
   毛发密度比例的测量对于确定材料是否适合用于头发护理产品至关重要。
2. 2.In order to improve the quality of hair, it is necessary to understand the relationship between hairiness ratio and hair growth rate.
   为了提高头发的质量，有必要了解毛发密度比例与头发生长率之间的关系。
3. 3. The company has developed a new product that uses a unique hairiness ratio formula to enhance the shine and texture of hair.
   该公司开发了一种新产品，使用独特的毛发密度比例配方来增强头发的光泽和质感。