| http://www.w3.org/ns/prov#value | - In accordance with this aspect of the invention, a plurality of virtual 3D spaces are formed in which the position or position and orientation of display objects is the same but the number of polygons configuring each of these display objects is different, such as first and second virtual 3D spaces, A display object having a smaller number of polygons than a display object in the first virtual 3D
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