通达信 30天之内 EXPMA只形成过一次金叉的选股公式0

EXP1:=EMA(CLOSE,12);
EXP2:=EMA(CLOSE,50);
AA1:=CROSS(EXP1,EXP2);
XG3:=COUNT(AA小议补居卫晶补种外效充1,30);
XG2:360问答=COUNT(AA1,20);
XG1:=COUNT(AA1,10);
XG:(XG3=0 AND REF(XG3,1)>0)OR(XG2=0 AND REF(XG2,1)>0)OR(XG1=0 AND REF(XG1,1)>0);