每个成员可以同时访问相同的数据库，包括读和写操作。

Each member can simultaneously access the same database for both read and write operations.

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由于驱动程序维护与两个节点的连接，同时写事务被定向到主节点，因此读事务可以定向到任何一个节点。

Because driver maintains connection to both nodes while write transactions are directed to the primary node, read transactions can be directed to either node.

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