测试系统的设计者、集成方和安装方有义务确保操作者和维护人员的防范措施适当、有效。
It is the responsibility of the test system designers, integrators, and installers to make sure operator and maintenance personnel protection is in place and effective.
客户端软件系统的安装及客户端维护是一项常规性工作，熟练安装客户端软件系统和处理客户端出现的问题是网络维护人员必须熟练掌握的一项基本技能。
The installation of software for client and maintenance of client for a network managers is a routine work which needs skills for them to have a good command of.
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