>一、半保留复制 (semiconservative replication) >二、 双向复制 (bidirectional replication) >三、半不连续复制 (semi-discontinuous replication) ➢ 一、半保留复制 (semiconservative replication) ➢ 二、双向复制 (bidirectional replication) ➢ 三、半不连续复制 (semi-discontinuous replication)