县级调度自动化系统
dispatching automation system of country electric power network
县级森林资源管理GIS系统
GIS system of county-level forest resource management
县市级专用系统
Special use system for government at county and municipal levels
磁层-电离层系统(MI系统)
Magmetosphere-Ionosphere(MI) system
无限维离散系统系统
Infinite dimensional discrete time systems
M_L震级系统过渡
M L magnitude system transition
超细粉碎分级系统
jetmill classifier closed circuit system