V1:=EMA(CLOSE,34)-EMA(CLOSE,84);
 V2:=EMA(V1,300);
 V3:=(CLOSE-LLV(LOW,7))/(HHV(HIGH,7)-LLV(LOW,7))*100;
 V4:SMA(V3,2,1);
 V5:SMA(V4,2,1);
 V6:=CLOSE/REF(CLOSE,3)>=1.1;
 V7:=BACKSET(V6,2);
买入:IF((V7 AND COUNT(V7,3)=1),30,0),COLOR009090;
 DRAWTEXT(买入,35,'买入 '),COLORFFFF00,LINETHICK2;