| HVL |
The depth in given material at which the radiation intensity becomes one half that at the surface of the material. (Basic Science/Radiography/penetrationdepth.htm)
출처: www.ndt-ed.org/GeneralResources/Glossary/letter/h....
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|---|---|
| HVA |
High Value Asset
출처: www.fas.org/spp/military/docops/usaf/2020/app-v.ht...
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