AX:=(ATAN((MA(C,5)/REF(MA(C,5),1)-1)*100)*180/3.14115926); AXMA:=MA(AX,5); ANA:=PLOYLINE(CROSS(AX,AXMA),AXMA); ANB:=PLOYLINE(CROSS(AXMA,AX),AXMA); MD:=CROSS(AX,AXMA) AND ((ANB>REF(ANB,1) AND ANB>ANA AND AXMA<=0) OR ((AXMA<=-45 OR CROSS(AXMA,-45)) AND (ANB<-60 OR LLV("KDJ.J",3)<=-49) AND ANB>0)); AQZ:=COUNT(CROSS(AX,AXMA),ANAREF(ANB,5)); 买:MD AND AQZ AND C