留意趋势线由下跌开始粘合走平，出现红色柱子买入信号参考。死叉则为卖出参考。适合做趋势波段。
VAR1:=VOL/((HIGH-LOW)*2-ABS(CLOSE-OPEN));
主买:=IF(CLOSE OPEN,VAR1*(HIGH-LOW),IF(CLOSE OPEN,VAR1*((HIGH-OPEN)+(CLOSE-LOW)),VOL/2));
主卖:=IF(CLOSE OPEN,VAR1*((HIGH-CLOSE)+(OPEN-LOW)),IF(CLOSE OPEN,VAR1*(HIGH-LOW),VOL/2));
主力买入量:=(主买*0.5+主卖*0.1)/2;
ZL:SUM(主力买入量,60)/SUM(V,60)*100,LINETHICK2;
DT:=ZL-REF(ZL,1);
STICKLINE(DT 0,ZL,ZL+DT,1,0),colorred;
STICKLINE(DT 0,ZL+DT,ZL,1,0),colorgreen;
EMA3:EMA(ZL,3),colorred,LINETHICK2;
EMA6:EMA(ZL,6),COLORFF00FF;
EMA9:EMA(ZL,9),coloryellow;
EMA12:EMA(ZL,15),COLORFFCC66;
EMA25:EMA(ZL,25),colorblue;
