System GMM系统GMMsystemn.系统；体系；身体；制度system homomorphism系统同态system control area系统控制区system image buffer系统图像缓冲区, 系统映像缓冲区System of HS-WEDMsystem of statement报表制度system oscillations系统振荡system subcomponent系统子成分system of equations联立方程system distribution系统配置system-innovation体制改革