The session replication can be configured either for full session or only modified session.
既可以针对整个会话，也可以仅针对修改的会话配置会话复制。
2
This statistic shows the current number of modified databases awaiting cluster replication.
该数据显示当前已修改并等待集群复制的数据库数量。
3
However, modified AZT molecules lack a specific chemical group (a hydroxyl group) that would allow DNA replication to continue. This results in premature termination of DNA synthesis.