virtual reference system
LINEAR REFERENCE SYSTEM
System Technology
系统工艺
总体技术
系统技术
精微零件、精微锻造制程、系统技术
系统工程
SPATIAL REFERENCE SYSTEM
Geodetic Reference System
military grid reference system
Continuous Operational Reference System
连续运行参考系统
连续运行参考站系统
连续运行参考站
连续运行卫星定位系统
连续运行卫星定位服务系统
Geocentric Reference System
Three-dimensional reference system
military arid reference system
uniform 3D earth reference system
positional reference system
tea early system technology
intrinsic reference system
Intermediate Reference System IRS