基于生成树组播钥匙分配方案的各种方法在提供有效的用户删除方法的同时努力将用户钥匙存储最小化。
All kinds of different methods based on rooted-tree multicast key distribution schemes make efforts to minimize the user key storage while providing efficient member deletion.
为一个数据库表生成类型树时，Database Interface Designer将自动定义一个名为row的组。
When the Type Tree is generated for a database table, a group named Row is automatically defined by the database Interface Designer.
用路由拓扑来表示从一个路由组到其他所有路由组的所有路径，并假定路由拓扑是一棵生成树。
It is assumed that the routing topology representing all the paths from one routing group to all other routing groups is a spanning tree.
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