DIFF :=EMA(CLOSE,12) - EMA(CLOSE,26);DEA :=EMA(DIFF,9);MADD :=2*(DIFF-DEA);MADDref(madd,2); 这是转折点的选股 要是不需要 只要绿柱子缩小 那么就把and ref(madd,1)>ref(madd,2)删除
