指标中，自动显示买卖时点，使用者照此操作即可。
VAR1:=EMA(C,2);
VAR2:=EMA(SLOPE(C,21)*20+C,42);
VAR3:=CROSS(VAR1,VAR2);
VAR4:=CROSS(VAR2,VAR1);
VAR5:MA(C,20),colorgreen,LINETHICK1;
CAR6:MA(C,10),COLORFA05FF,LINETHICK2;
DRAWTEXT(VAR3,LOW*0.95,''),coloryellow,LINETHICK3;
DRAWTEXT(VAR4,HIGH*1.028,''),colorgreen,LINETHICK3;
STICKLINE(VAR1=VAR2,LOW,HIGH,0,0),colorred;
STICKLINE(VAR1>=VAR2,CLOSE,OPEN,2,0),colorred;
STICKLINE(VAR1>=VAR2,CLOSE,OPEN,2,0),colorred;
STICKLINE(VAR1>=VAR2,CLOSE,OPEN,2,0),colorred;
STICKLINE(VAR1>=VAR2,CLOSE,OPEN,2,0),colorred;
STICKLINE(VAR1<VAR2,CLOSE,OPEN,2,0),colorgreen;
STICKLINE(VAR1<VAR2,CLOSE,OPEN,2,0),colorgreen;
STICKLINE(VAR1<VAR2,CLOSE,OPEN,2,0),colorgreen;
STICKLINE(VAR1<VAR2,CLOSE,OPEN,2,0),colorgreen;
STICKLINE(VAR1<VAR2,LOW,HIGH,0,0),colorgreen;
DRAWTEXT(CROSS(CAR6,VAR5),CAR6,'始');
DRAWTEXT(CROSS(VAR5,CAR6),VAR5,'终');
