Moreover, according to the present invention, there is provided a multi display device having {HEAD ~ a plurality} of {TAIL ~ projectors} each of which projects a partial image on a screen so that the partial image and an adjoining partial image will overlap to have their margins superposed on each other 
Moreover , according to the present invention , there is provided a multi display device having { HEAD ~ a plurality } of { TAIL ~ projectors } each of which projects a partial image on a screen so that the partial image and an adjoining partial image will overlap to have their margins superposed on each other
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