directory replication的用法和样例：
例句
- The number of object updates received in the current directory replication update packet that have not yet been applied to the local server.
已接收在当前目录复制更新数据包中但尚未应用于本地服务器的对象更新数目。 - This Site Replication Service is functioning as the bridgehead of one or more directory replication connectors and cannot be deleted.
此站点复制服务正作为一个或多个目录复制连接器的桥头运行，因此无法删除。
