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;
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;