Thus, the observed regioselectivity is a kinetic selectivity and not simply the result of equilibration to the more stable linearproduct.
因此，观察到的区域选择性是一个动力学的选择性，而不是简单的平衡到较稳定的线性产品的结果。
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Examples of applications that require a stateful context include a store checkout process, product customization, multipage form wizards, and many other applications based on linear interactions.
A mathematics model which deals with 54 variables and 43 constraint conditions is proposed to optimize the product structure by using linear programming theory.