求翻译：网络监控系统能够帮助网络管理人员掌控网络的状态，监测网络故障，维护网络的正常稳定运行。然而，随着计算机网络的飞速发展和广泛应用，如今的网络规模日趋扩大，结构日趋复杂，安全形势日益严峻，这些因素都大大增加了网络监控管理的难度。基于SNMP(简单网络管理协议)的网络监控系统具有结构简单、扩展性强的特点。因此，对基于SNMP的网络监控系统的研究具有重要的实际意义。是什么意思？

Network monitoring system to help network managers control network status monitoring network failure to maintain normal and stable operation of the network. However, with the rapid development and wide application of computer network, the network size is widening, the structure is becoming more comp

Network monitoring system to be able to help network managers control the status of the network, the network failure, maintain network stability. However, with rapid development of the computer network and wide range of applications, and now the size of the network is growing, and the structure has

Network monitoring systems to help network managers control of the status of the network, monitoring network, maintenance of normal and stable operation of the network. However, with the rapid development and wide application of the computer network, now the network is increasingly expanding, increa