买在启爆前（副图）——通达信指标，不会的...

买在启爆前（副图）——通达信指标，不会的，可评论解答！

关注:=(3*CLOSE+OPEN+LOW+HIGH)/6;
买在起爆前:(20*关注+19*REF(关注,1)+18*REF(关注,2)+17*REF(关注,3)+16*REF(关注,4)+15*REF(关注,5)+14*REF(关注,6)
+13*REF(关注,7)+12*REF(关注,8)+11*REF(关注,9)+10*REF(关注,10)+9*REF(关注,11)+8*REF(关注,12)
+7*REF(关注,13)+6*REF(关注,14)+5*REF(关注,15)+4*REF(关注,16)+3*REF(关注,17)+2*REF(关注,18)+
REF(关注,20))/210,COLORYELLOW;
共享:=MA(买在起爆前,5),COLORRED;
STICKLINE((买在起爆前>共享),买在起爆前,共享,-1,0),COLORE904FB;
STICKLINE((共享>买在起爆前),共享,买在起爆前,-1,0),COLORFF0000;
VAR1:=HHV(MA(C,17),2),COLORGREEN,LINETHICK2;
GZ:IF(EMA(C,17)<VAR1,(MA(C,17)-(VAR1-MA(C,17))),VAR1),COLORGREEN,LINETHICK2;
CXHZB:MA(C,17),LINETHICK2,COLORRED;
CXH:=SMA(AMOUNT/V,2,1)/100;
ZB:=SMA(CXH,5,1);
DRAWTEXT(CROSS(C,REF(CXH,1)*1.02) AND CROSS(C,REF(ZB,1)*1.03),REF(CXH,1),'★启爆'),COLORYELLOW;