# ÐÂÊÖ¸±±¾¹«¹²ÅäÖà ( [ 2, # ×¼±¸Ê±¼ä, Ãë 180, # ¸±±¾Ê±¼ä, Ãë 30, # Í˳öʱ¼ä, Ãë [126, 72], # ÐǼ¶¶ÔÓ¦ºÄʱÅäÖÃ, ÓɵÍÐǵ½¸ß, Ãë, ÅäÖõĸöÊýΪ×î¸ßÐǼ¶¼õ1, Èç[180, 60]´ú±í: > 180(1ÐÇ); > 60(2ÐÇ); <=60(3ÐÇ) ] )