This approach overcomes the security problems of deploying two-tier systems over the WAN by replicating a native client to a remote user.

通过将一个原生客户端复制给一个远程用户，这种途径克服了通过WAN部署两层系统的安全性问题。

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And two-tier systems perform poorly when a fat client must connect to a database over the WAN.

当胖客户机必须通过WAN连接到数据库时，两层系统的性能较差。

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Through the network standardization, Shaw can monitor its systems and implement maintenance procedures over a Wide Area network (WAN).

通过网络标准化，肖氏可以监测其系统，并通过广域网(WAN)实施维护程序。

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