plastometer indice

例句：

1. 1. The plastometer index is used to measure the amount of light that reaches the skin.
   塑光计指数用于测量到达皮肤的光量。
2. 2. The plastometer index can be used to determine the effectiveness of sunscreens.
   塑光计指数可以用来确定防晒霜的效果。
3. 3. The plastometer index is an important tool for assessing the health of the skin.
   塑光计指数是评估皮肤健康的重要工具。