It supports the standard create, retrieve, update, and delete operations, and it also supports cardinality constraints, complex relationships and inheritance structures, containment definitions, and a suite of attribute descriptions.

• 这种代码支持标准的创建、获取、更新和删除操作,而且还支持元数约束、复杂关系和继承结构、屏蔽定义,以及一套属性描述。