帮忙“变色龙”通达信公式

编写要求：

请老师帮忙将此通达信公式改为大智慧公式 谢谢 参1:MA(CLOSE,7),COLORYELLOW,LINETHICK2; 参2:MA(CLOSE,20),COLORBLUE,LINETHICK2; A:MA(C,4),COLORRED,LINETHICK2; B:=A>REF(A,1); IF(B-1,A,DRAWNULL)COLORGREEN,LINETHICK2; SG:IF(C<"SAR.SAR","SAR.SAR",DRAWNULL),COLORGREEN,CIRCLEDOT; XG:IF(C>"SAR.SAR","SAR.SAR",DRAWNULL),COLORRED,CIRCLEDOT;

解答：

?参1:MA(CLOSE,7),COLORYELLOW,LINETHICK2;

参2:MA(CLOSE,20),COLORBLUE,LINETHICK2;