logical service造句

According to the idea of software engineering , the three - tier structure of data services , logical services & user services and the arithmetic design of product structure tree are researched
按照软件工程的规范，采用windowsdna的三层结构(数据服务层，逻辑服务层，用户服务层)设计方案进行北方pdm2003系统的研发。
One of the things we discussed was that a good level of granularity for a session faade is at the service level - this means that you identify a logical service provided to a common group of clients and then create a session faade at that level
我们讨论的事情之一是，会话虚包（ session facade ）的一个好的粒度级别是在服务层- -这就是说您标识提供给一组通用客户端的逻辑服务，并在该层创建一个会话虚包（ session facade ）。
It's difficult to find logical service in a sentence. 用logical service造句挺难的