The preparation process comprises two steps: 1) preparation of the separatinglayer;
制备方法包括两个步骤:1)制脱离层;
2
A common architectural strategy is to layer your system, separating your user interface logic, business logic, system logic, and persistence logic from each other.
通常的构造策略是将系统分层,将用户界面逻辑、商业逻辑、系统逻辑和持久性逻辑彼此分开。
3
The power of this layer is in separating data access code from the business logic for disparate data store technologies.