多层真空绝热
multi-layer vacuum insula tion
数学知识系统
system of mathematics knowledge
数元切片微处理机单相定时系统
microprocessor single-phase
数值测控系统
numerical test and control system
数值仿真系统
numerical simulation system
数值分析问题求解系统
numerical analysis problem solving system
NAPSS
数值航测系统
digital aerial photography
数值绘图系统
numerical plotting system
NPS
数值控制支持系统
numerical control support system
数值预报模式系统
Numerical forecasting model system
数值预报系统
numerical forecast system
numerical prediction system