瀹夊窘闀锋睙姘存灉鍗�(xi茅)鏈冧富鐕燂細鏃ラ煋姊細榛冮噾姊�銆佸湏榛冩ⅷ銆佺繝鐜夋ⅷ銆佽睈姘存ⅷ銆佹剾鐢樻按姊�锛涘湅鍏�(n猫i)鍚嶅劒(y艒u)姊細鏃╅叆姊�銆佺稜瀵剁煶姊�銆佺殗鍐犳ⅷ銆佺灞遍叆姊�銆�