VAR1:=LLV(LOW,21);VAR2:=HHV(HIGH,21);K:=EMA((CLOSE-VAR1)/(VAR2-VAR1)*100,6);D:=EMA(0.667*REF(K,1)+0.333*K,2);LONGCROSS(K,D,0.1);
要加一个成交量二倍的公式，就加一条二倍量:v/ref(v,1)>=2;
