international system of units
国际单位制
公制国际单位制
国际单元系统
国际单位系统
镰刀
行距
公制
内插法
SI system international
consulting telephone system
3G mobile communications system
Picture Archiving and Communications System
public wireless communications system
positive list system system
The International Liver Transplantation Society 16th Annual International Congress
7-year system switching to 8-year system
Accounting environment Accounting theoretical system Accounting standards system
bridge transformed from simple-supported system into continuous system
cardiovascular system and cerebrovascular system
C-band unified TTC system and C-band mono-pulse measuring radar system
CF system core flooding system