短线金牛，选股简单，成功率高
源码
MA20:=MA(CLOSE,20);
BTMA20:= (CLOSE>MA20) AND (REF(CLOSE,1)>REF(MA20,1)) AND (REF(CLOSE,2)>REF(MA20,2));
VOL120:=MA(VOL,120);
BTVOL120:= (VOL > VOL120) AND (REF(VOL,1) > REF(VOL120,1)) AND (REF(VOL,2) > REF(VOL120,2));
中线强势: BTMA20 AND BTVOL120;
