释义 |
DictionarySeeilluminationoblique grain diagonal grainA defect in lumber, usually the result of careless sawing, in which the wood grain is at an angle to the long dimension.oblique illumination
fo·cal il·lu·mi·na·tionillumination in which a beam of light is directed diagonally to an object so that it is brilliantly illuminated while the surrounding area is in shadow. Synonym(s): lateral illumination, oblique illuminationoblique illuminationIllumination of an object from one side. See also: illumination |