通达信低位三次金叉选股指标(源码)

A:=BARSLAST(DEA {上次DEA =0距今天数}
T:=COUNT(CROSS(DIF,DEA),A);{统计DEA 0的这段时间DIF金叉DEA的次数}
三次金叉:CROSS(DIF,DEA) AND COUNT(T=3,A)=1;