图30还显示了两个提供定义反向链接能力的附加属性，即静态组和动态组如何维护关于其成员的信息。

Figure 30 also shows two Additional Properties that provide the ability to define reverse linkage, which is how groups maintain information about their members, for both static and dynamic groups.

youdao

图30还显示了两个提供定义反向链接能力的附加属性，即静态组和动态组如何维护关于其成员的信息。

Figure 30 also shows two Additional Properties that provide the ability to define reverse linkage, which is how groups maintain information about their members, for both static and dynamic groups.

youdao