Remote predicate call can be logically divided into three layers. From the lowest layer to the highest one are respectively network service, system service, and application.
远程谓词调用在逻辑上可分为三个层次，从低到高分别为网络服务层、系统服务层、应用层。
The three-layered architecture model partition the information system into the client present layer, application service layer and database layer.
该体系结构模型将系统划分为客户端表示层、应用服务层、数据层。
应用推荐