ortho-boric acid orthocentre orthochromatic orthoclase orthocompound orthoflow process orthoforming process orthogam amplifier orthogon orthogonal orthogonal functions orthogonalize orthogonal matrix orthogonal process orthogonal projection orthogonal trajectory orthographic projection ortho-isomer orthokinetic orthometric elevation |
ortho-boric acid хим. ортоборна киселина Търсената дума е намерена |