tie-in equation

例句：

1. 1. In the study of quantum mechanics, the tight binding equation is crucial forunderstanding the behavior of atoms and molecules.
   在量子力学研究中，紧束缚方程对于理解原子和分子的行为至关重要。
2. 2. The tight fitequation helps us predict how well materials willbond together when they are heated or cooled.
   紧固方程帮助我们预测材料在加热或冷却时能否紧密结合。
3. 3. The tightbinding model has been widely used in thesimulation of molecular dynamics.
   紧固模型在分子动力学模拟中被广泛应用。