网友求助:
解答如下:
MID:=MA(C,20);
VART1:=POW((C-MID),2);
VART2:=MA(VART1,20);
VART3:=SQRT(VART2);
UPPER:=MID+2*VART3;
LOWER:=MID-2*VART3;
BOLL:REF(MID,1),COLORFFFFFF,LINETHICK2;
UB:REF(UPPER,1),COLOR00FFFF;
LB:REF(LOWER,1),COLORFF00FF;
M5:MA(C,5);
M10:MA(C,10);