A1:=3*EMA((C-LLV(L,30))/(HHV(H,30)-LLV(L,30))*100,5)-2*EMA((C-LLV(L,30))/(HHV(H,30)-LLV(L,30))*100,5);
A4:=EMA(A1,5);
A5:=(HHV(H,34)-C)/(HHV(H,34)-LLV(L,34))*100;
DIFF := EMA(CLOSE,12) - EMA(CLOSE,26);
DEA :=EMA(DIFF,9);
基础:=(DIFF<-0.1 AND DIFF>DEA);
中线:CROSS(A1,A4)AND (A5-A4)>40 AND 基础;