| http://www.w3.org/ns/prov#value | - [0020] Accordingly, the present invention helps to prevent overdesign of objects, thereby enhancing design efficiency and shortening lead-time of design. [0021] Also, when rotating the three-dimensionally displayed target image, by using an input device such as a mouse or the like, the user can readily understand and determine the inclination amount of the rotating angle of the target image. [0022
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