operational display system
BOSS Burroughs Operational System Simulator
business operational system
completely automatic operational system
continuous operational system
display and assessment operational system
engine system operational procedure
Forecast operational system
forecasting operational system
imformation operational system
Meteorological operational system
Operational system
运行机制
执行系统
运营系统
业务化系统
工作体系
环境
业务系统
作战系统
作战体系
运行系统
短期预报
运营体系
operational system development
operational system of meso-scale numerical forecast
optimization of the operational system
real time operational system
Weapon system operational effectiveness
360° cylindrical display system
3D Clothing display system