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));
小盘:=(CAPITAL 10000000);
中线强势:小盘 and BTma20 and BTvol120;