theory of protective colloid

例句：

1. 1. The theory of protectivecolloid is crucial for understanding thebehavior of biological systems.
   保护胶体理论对于理解生物系统的行为至关重要。
2. 2. The study ofprotective colloids has led to significantadvancements in medical technology.
   保护胶体的研究已经显著推动了医学技术的发展。
3. 3. The theory ofprotective colloid provides a framework forstudying the interactions between different materials and theireffects on each other.
   保护胶体理论为研究不同材料之间的相互作用及其对彼此的影响提供了一个框架。