编写要求：
公式如下:
DRAWTEXTREL( 0,100,'指标用法:八条横线代表八个指标,当天有四个以上红箭头为多头,反之为空头' ),ColorFFAA00;
100,PRECIS0;
DIFF:=EMA(CLOSE,6)-EMA(CLOSE,8);
DEA:=EMA(DIFF,3);
MCDA金叉:DIFF>DEA,LINETHICK0,PRECIS0;
DRAWTEXT(DIFF>DEA,80,'▲'),colorRED,linethick1;
DRAWTEXT(DIFFD,LINETHICK0,PRECIS0;
DRAWTEXT(K>D,70,'▲'),colorRED,linethick1;
DRAWTEXT(KRSI2,LINETHICK0,PRECIS0;
DRAWTEXT(RSI1>RSI2,60,'▲'),colorRED,linethick1;
DRAWTEXT(RSI1LWR2,LINETHICK0,PRECIS0;
DRAWTEXT(LWR1>LWR2,50,'▲'),colorRED,linethick1;
DRAWTEXT(LWR1BBI,LINETHICK0,PRECIS0;
DRAWTEXT(CLOSE>BBI,40,'▲'),colorRED,linethick1;
DRAWTEXT(CLOSEMMM,LINETHICK0,PRECIS0;
DRAWTEXT(MMS>MMM,30,'▲'),colorRED,linethick1;
DRAWTEXT(MMSDDX2,LINETHICK0,PRECIS0;
DRAWTEXT(DDX1>DDX2,20,'▲'),colorRED,linethick1;
DRAWTEXT(DDX1OPEN,VAR1*(HIGH-LOW),IF(CLOSEOPEN,0-VAR1*((HIGH-CLOSE)+(OPEN-LOW)),IF(CLOSEDLX2,LINETHICK0,PRECIS0;
DRAWTEXT(DLX1>DLX2,10,'▲'),colorRED,linethick1;
DRAWTEXT(DLX1
解答：
?DIFF:=EMA(CLOSE,6)-EMA(CLOSE,8);
DEA:=EMA(DIFF,3);
标签：
