A:=(3*C+L+O+H)/6;B:=(20*A+19*REF(A,1)+18*REF(A,2)+17*REF(A,3)+16*REF(A,4)+15*REF(A,5)+14*REF(A,6)+13*REF(A,7)+12*REF(A,8)+11*REF(A,9)+10*REF(A,10)+9*REF(A,11)+8*REF(A,12)+7*REF(A,13)+6*REF(A,14)+5*REF(A,15)+4*REF(A,16)+3*REF(A,17)+2*REF(A,18)+REF(A,20))/210;多:MA(B,2),COLORRED,LINETHICK2;空:MA(B,3),COLORBLUE,LINETHICK2;操作:MA(B,13),COLORYELLOW, LINETHICK2;:MA(B,34),COLORGREEN;长期牛熊:MA(B,233),COLORWHITE;买线:=EMA(C,2); 卖线:=EMA(SLOPE(C,21)*20+C,42); BU:=OSS(买线,卖线); SEL:=CROSS(卖线,买线); DRAWTEXT(FILTER(c