object illumination造句

Ice rink has its own, independent from the rest of the object illumination.
Strictly speaking, the fringes represent purely out-of-plane displacement only if the surface is illuminated normally ( this requires a beam splitter to be used to illuminate the object ), but the dependence on in-plane movement is relatively small unless the object illumination is well away from the normal direction.
It's difficult to find object illumination in a sentence. 用object illumination造句挺难的