XL1:=((LLV(LOW,3) = LLV(LOW,60)) AND ((CLOSE / REF(CLOSE,1)) >= 1.04)); XL2:=(((CLOSE - EMA(CLOSE,21)) / EMA(CLOSE,21)) * 100); XL3:=crOSS(XL2,(0 - 20)); 绝对底部:XL3 > 0;
