When JSF was first introduced, it addressed the need for cleaner separation between the controller and the view layers of MVC Web applications.
首先介绍 JSF，它解决了控制器和 MVC Web 应用程序视图层之间更清晰地分离这种需求。
Separation between two layers of coatings or between coatings and substrate.
涂层和基材之间、两种涂层之间的分离。
We propose a two layers neighborhood search algorithm to avoid the separation between agent choices and road optimization.
为了避免将代理商选择和线路优化作为两个互相分离的子问题来处理，提出了求解它的两层邻域搜索算法。
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