Russian | English |
на фоне | on a ground (Spraying valves are denoted by red lettering on a white ground. Flood valves are identified by white lettering on a red ground. (Maritime Engineering Practice, p.261) BorisKap) |
фон переменного тока | magnetic hum |
фон переменного тока | alternating current hum |
фон проникающего излучения | penetrating background radiation |