parabolic partial differential equation parabolic reflector parabolic-reflector antenna paraboloid calotte paraboloid of revolution paracentric paracentrical parachor parachrosis parachute parachute beacon parachute braking parachute canopy parachute deployment device parachute flare parachute landing paracompound paradrom paraffin paraffinaceous |
parabolic partial differential equation частно диференциално уравнение от параболичен тип Търсената дума е намерена |