UDN
UDN: translation
ulcerative dermal necrosis ( a disease affecting salmonids returning from the sea to fresh water with head lesions. The cause is probably viral but the lesions are typically infected by bacteria and fungi)
- udn—. ulcerative dermal necrosis язвенный некроз кожи. underwater Doppler navigation подводная доплеровская навигационная система...Англо-русский словарь технических аббревиатур