The system includes five modules: a knowledge base, a data base, an inference engine, user-computer interface and explanation facility.

系统由知识库、推理机、数据库、人机接口和解释机构等五个模块组成。

youdao

This system is made up of several parts: knowledge base, inference engine, database, user interface, explanation facility and drawing module and so on.

热带钢连轧精轧机组设计专家系统由知识库、推理机、数据库、人机接口、解释机制和绘图模块等部分组成。

youdao

"Iran's explanation about the purpose of the facility and the chronology of its design and construction requires further clarification, " it said.

BBC: Iran plays down UN nuclear report