AA:=LLV(LOW,34); BB:=HHV(HIGH,30); DD:=(EMA(((CLOSE-AA)/(BB-AA))*(4),4))*(25); 绝谷:=(((DD-LLV(DD,21))/(HHV(DD,21)-LLV(DD,21)))*(4))*(25); 买入:IF(crOSS(绝谷,90) AND (DD<40),8,0),COLORFFFF00;