长多:IF(SD =SP,SD,SP),LINETHICK1,COLORCC0033; 长空:IF(SP-SD,SP,SD),LINETHICK1,COLORFFFFFF; A1:=EMA(CLOSE,7)-EMA(CLOSE,21); B1:=EMA((0.668*REF(A1,1)+0.333*A1),1); 短多:IF(A1 =B1,A1,B1),LINETHICK1,COLOR0000CC; 短空:IF(B1-A1,B1,A1),LINETHICK1,COLORGREEN;