Legal Abbreviations and Acronyms
- HVSHigh-Volume Sampler
- HWHardware
- HWThe Hanginghwall
- HWRPHydrology and Water Resources Programme
- HXHospital
- HYDHydraulic
- HYDHydrology
- HYDOne Two Three Airlines
- HYDRHydraulic
- HYDRAULHydraulic
- HYDROLHydrology
- HYNETIntercomparison of Operational Hydrological Network Design Techniques
- HZcycles per second (hertz)
- IAAInternational Academy of Astronautics
- IABOInternational Association of Biological Oceanography (ICSU)
- IABPInternational Arctic Buoy Programme
- IACIntermediary Advisory Committee
- IACInternational Activities Committee
- IACBInternational Anti Corruption Bureau
- IACGInteragency Committee on Geomatics (DEMR)
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