%0 Journal Article %T B³¬ÎóÕï°¢Ãװ͸Ρ¢·ÎŧÖ×1Àý %A ÍõÑÒ %J - %D 1993 %U http://journal08.magtechjournal.com/Jwk_wjyx/CN/abstract/abstract9702.shtml