ÌâÄ¿ÄÚÈÝ
ÔÚÆ½ÃæÖ±½Ç×ø±êϵXOYÖУ¬Ö±Ïß
¹ýµã
ÇÒÓë
ÖáÆ½ÐУ¬Ö±Ïß
¹ýµã
ÇÒÓë
ÖáÆ½ÐУ¬Ö±Ïß
ÓëÖ±Ïß
ÏཻÓÚµãP¡£µãEΪֱÏß
ÉÏÒ»µã£¬·´±ÈÀýº¯Êý
£¨
£¾0£©µÄͼÏñ¹ýµãEÓëÖ±Ïß
ÏཻÓÚµãF¡£
¢ÅÈôµãEÓëµãPÖØºÏ£¬Çó
掙术
¢ÆÁ¬½ÓOE¡¢OF¡¢EF¡£Èô
£¾2£¬ÇÒ¡÷OEFµÄÃæ»ýΪ¡÷PEFµÄÃæ»ýµÄ2±¶£¬ÇóEµãµÄ×ø±ê£»
¢ÇÊÇ·ñ´æÔÚµãE¼°
ÖáÉϵĵãM£¬Ê¹µÃÒÔµãM¡¢E¡¢FΪ¶¥µãµÄÈý½ÇÐÎÓë¡÷PEFÈ«µÈ£¿Èô´æÔÚ£¬ÇóEµã×ø±ê£»Èô²»´æÔÚ£¬Çë˵Ã÷ÀíÓÉ¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿