网络性能管理是电信管理网（TMN）的一个重要组成部分，它确保网络的有效运行并提供预定的服务等级。
The network performance management is an important part of telecommunication management network(TMN), which can insure efficient work and support prearranged service rank for network.
网络性能管理是电信管理网（TMN）的一个重要组成部分，它确保网络的有效运行并提供预定的服务等级。
The network performance management is an important part of TMN( Telecommunication Management Network) , which can insure efficient work and support prearranged service rank for network.
综上所述：金刚网防盗纱窗价格受型材材质，挤出设备，喷涂粉末，加工设备，金刚网等级，锁具的好坏等几大因素影响。
In summary: diamond net anti-theft screen price profile material, extrusion equipment, spraying powder, processing equipment, diamond grade, some factors affecting the quality of lock etc.
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