Introduce the characteristic of artificial joint, knowledge' s source and indicial content;

该文介绍了人工髋关节特点、知识来源和知识表示内容；

youdao

Introduce the characteristic of artificial joint, knowledge' s source and indicial content;

该文介绍了人工髋关节特点、知识来源和知识表示内容；

youdao