橡胶三角带运输带传送带工厂成套设备
complete equipment for the manufacture of rubber flat belt and V-belt
1°×1°厘米级全球大地水准面
1°×1° global geoid with centimeter-level
国际全球大气化学计划
international global atmospheric chemistry project
宽带全球卫星通信系统(WGS)
Coaxial arbitrary shaped groove
全球8大干旱区
Global 8 major arid areas
全球大地测量观测系统GGOS
Global Geodetic Observation System GGOS