The swelling formula of skin collagen is deduced according to the Donnan equilibrium theory. 根据党南平衡理论，推导出生皮胶原的膨胀公式。
Therefore, according to the implications of structural balance theory, the imbalance in a triadic relationship can be resolved by international trade. 根据结构平衡理论，三角不平衡关系可以经由国际贸易来改善。
