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H1:=maX(DYNAINFO(3),DYNAINFO(5));
L1:=MIN(DYNAINFO(3),DYNAINFO(6));
P1:=H1-L1;
阻力:=L1+P1*7/8;
支撑:=L1+P1*0.5/8;
中线:=(支撑+阻力)/2;
V11:=3*SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,1)-2*SMA(SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,1),3,1);
趋势线:=EMA(V11,3);
BB0:=REF(趋势线,1)<11 AND crOSS(趋势线,11) AND C<中线;
红箭头:BB0;