下面通达信公式不能通过，请老师帮忙修改一下

梦想起飞

错误句 :
WMA:=累加/(21+1)/21*2
详细信息 : 变量 WMA 与函数名重复!
错误起始位置 : 668 ; 长度: 3


T:=IF((BARSCOUNT(C) > 7),(100)*((MA(C,7))/(LLV(MA(C,7),7)) - 1),1);
N:=IF((T > 0.35),6,65);
W:=((-((100)*(HHV(H,N) - C))/(HHV(HIGH,N) - LLV(L,N))));
RV:=(CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100;
RG:=(CLOSE-LLV(LOW,5))/(HHV(HIGH,5)-LLV(LOW,5))*100;
J0:=(HIGH+LOW)/2;
QJ:=EMA(J0,3);
J1:=IF(CLOSE>QJ,VOL,0);
J2:=IF(CLOSE<QJ,VOL,0);
BB:=MA(SUM(J1-J2,22),3),COLOR00DDDD;
累加:=21*BB+20*REF(BB,1)+19*REF(BB,2)+18*REF(BB,3)+17*REF(BB,4)
+16*REF(BB,5)+15*REF(BB,6)+14*REF(BB,7)+13*REF(BB,8)+12*REF
(BB,9)+11*REF(BB,10)+10*REF(BB,11)+9*REF(BB,12)+8*REF(BB,13)
+7*REF(BB,14)+6*REF(BB,15)+5*REF(BB,16)+4*REF(BB,17)+3*REF
(BB,18)+2*REF(BB,19)+REF(BB,20);
WMA:=累加/(21+1)/21*2;
CC:=WMA,COLOR008800;
VAR3:=(BB-CC);VAR4:=SMA(RV,3,1);
VAR5:=SMA(VAR4,3,1);
KK:=EMA(SMA(RG,3,1),2),COLORFFFFFF;
DD:=SMA(KK,3,1),COLOR00FFFF;
选股:CROSS(W,-2) AND CROSS(VAR4,VAR5) AND CROSS(KK,DD);

叶昕

T:=IF((BARSCOUNT(C) > 7),(100)*((MA(C,7))/(LLV(MA(C,7),7)) - 1),1);
N:=IF((T > 0.35),6,65);
W:=((-((100)*(HHV(H,N) - C))/(HHV(HIGH,N) - LLV(L,N))));
RV:=(CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100;
RG:=(CLOSE-LLV(LOW,5))/(HHV(HIGH,5)-LLV(LOW,5))*100;
J0:=(HIGH+LOW)/2;
QJ:=EMA(J0,3);
J1:=IF(CLOSE>QJ,VOL,0);
J2:=IF(CLOSE<QJ,VOL,0);
BB:=MA(SUM(J1-J2,22),3);
累加:=21*BB+20*REF(BB,1)+19*REF(BB,2)+18*REF(BB,3)+17*REF(BB,4)
+16*REF(BB,5)+15*REF(BB,6)+14*REF(BB,7)+13*REF(BB,8)+12*REF
(BB,9)+11*REF(BB,10)+10*REF(BB,11)+9*REF(BB,12)+8*REF(BB,13)
+7*REF(BB,14)+6*REF(BB,15)+5*REF(BB,16)+4*REF(BB,17)+3*REF
(BB,18)+2*REF(BB,19)+REF(BB,20);
WMAA:=累加/(21+1)/21*2;
CC:=WMAA;
VAR3:=(BB-CC);VAR4:=SMA(RV,3,1);
VAR5:=SMA(VAR4,3,1);
KK:=EMA(SMA(RG,3,1),2);
DD:=SMA(KK,3,1);
选股:CROSS(W,-2) AND CROSS(VAR4,VAR5) AND CROSS(KK,DD);