crystal surface area

例句：

1. 1. The crystal structure of the new drug is very important for its efficacy.
   新药的晶体结构对其有效性非常重要。
2. 2. The crystal surface area of the mineral can affect its reactivity.
   矿物的晶体表面积会影响其反应性。
3. 3. The crystal surface area of the material was measured using a scanning electron microscope.
   使用扫描电子显微镜测量了该材料的晶体表面积。