expert system shell

例句：

1. 1. The expert system shell is used to store and manage data for the expert system.
   专家系统外壳用于存储和管理专家系统的数据集。
2. 2. The expert system shell provides a framework for building and implementing expert systems.
   专家系统外壳提供了一个框架，用于构建和实施专家系统。
3. 3. The expert system shell allows users to interact with the expert system through a user-friendlyinterface.
   专家系统外壳允许用户通过友好的用户界面与专家系统进行交互。