系统管理
Systems management
system management
systems administration
system administration
systematic management
Systerm management
Systematic administration
通信与系统管理
communication and system management
操作系统管理
operating system management
operation system management
网络系统管理
Network management
network system management
NSM Network System Management
生态系统管理
Management of ecosystem
ecology management system
Ecosystem management
eco-system management
联机系统管理
on-line system management