分时操作，依据三条高中底界限，显示高抛低吸的操作方法。VAR1:=LLV(LOW,100);
VAR2:=HHV(HIGH,250);
操盘线: EMA((CLOSE-VAR1)/(VAR2-VAR1)*4,4);
绝底:0.3,LINETHICK2,COLOR0000FF;
绝顶:3.5,LINETHICK2,COLORFF00FF;
分界:2,COLOR00FFFF;
DRAWTEXT(CROSS(操盘线,绝底),0.00,' 买！'), coloryellow, ;
DRAWTEXT(CROSS(操盘线,绝顶),3.8,'出货'), coloryellow, ;
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