radiancy radian frequency radian measure radiant radiant absorptance radiant efficiency radiant element radiant energy radiant energy absorption radiant exchange radiant-flux density radiant heat radiant heater radiant heating radiant-heat superheater radiant heat transfer radiant heat transmission radiant intensity radiant space heater radiant state |
radiancy енергетична яркост светимост, яркост Търсената дума е намерена |