DDX金叉结合KDJ低位金叉，本指标要大智慧L2数据支持
DDX金叉结合KDJ低位金叉
说明：本指标需要大智慧L2数据支持。
tj1:=cross("ddx.ddx1","ddx.ddx2") or cross("ddx.ddx1","ddx.ddx3");
tj2:="ddx.ddx1">"ddx.ddx2" and "ddx.ddx2">"ddx.ddx3";
tj3:=cross("kdj.k"(9,3,3),"kdj.d"(9,3,3)) and "kdj.d"(9,3,3)<30;
tj4:=tj1 and tj2 and count(tj3,3);
tj5:=count(tj1 and tj2,3) and tj3;
xg:tj4 or tj5;
