AA:=LLV(LOW,34);BB:=HHV(HIGH,30);DD:=(EMA(((CLOSE-AA)/(BB-AA))*(4),4))*(25);底部:=(((DD-LLV(DD,21))/(HHV(DD,21)-LLV(DD,21)))*(4))*(25);杀入:IF(CROSS(底部,90) AND (DD<40),70,0);