请求处理时间和队列长度是一个很好的度量指标，系统管理员通过监控它们来决定是增加服务器，还是关掉多余的服务器。

The request-processing time and the queue length are proper measures for the system administrator to monitor in order to make decisions about adding servers or shutting down superfluous servers.

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水处理厂操作员监控和操作电脑控制系统及水过滤和水处理厂的相关设备，以规范的水处理和水分配。

Water treatment plant operators monitor and operate computerized control systems and related equipment in water filtration and treatment plants to regulate the treatment and distribution of water.

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使用SNMP协议网络管理员能够从远程捕获和监控网络系统设备(如网络交换机和路由器等)的工作情况和状态。

With SNMP protocol, network manager can remotely capture and monitor the operation condition and states of network system units (such as network exchanger and router, etc).

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