area+of+distribution

  • 131Bidirectional reflectance distribution function — The bidirectional reflectance distribution function (BRDF; {f r(omega i , omega o) }) is a 4 dimensional function that defines how light is reflected at an opaque surface. The function takes an incoming light direction, omega i , and outgoing… …

    Wikipedia

  • 132World Area Forecast Center — A World Area Forecast Centre (WAFC) is a meteorological centre that provides real time meteorological information broadcasts for aviation purposes. These broadcasts are supervised by ICAO (International Civil Aviation Organisation) in order to… …

    Wikipedia