international association for analogue computation
International Association of Geodesy (IAG)
International Astronomical Union (IAU)
international atomic energy agency
International Atomic Energy Agency (IAEA)
International Atomic Time
international atomic time (IAT)
international atomic time scale
international atomic weight
International Association of Geodesy (IAG)
International Astronomical Union (IAU)
international atomic energy agency
International Atomic Energy Agency (IAEA)
International Atomic Time
international atomic time (IAT)
international atomic time scale
international atomic weight
International Atomic Energy Agency (IAEA)
International Atomic Energy Agency (IAEA)
Definitions
- [1] 国际原子能组织