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);