AAA:=(3*C+H+L+O)/6;
VAR1:=WMA(AAA,8);
龙线:=VAR1;
MA20:=EMA(CLOSE,20);
MA40:=EMA(CLOSE,40);
MA60:=EMA(C,60);
AA:=BArslAST(MA40>MA60 AND (MA20==MA40 OR MA20>MA40));
BB:=REF(COUNT(C<MA60,AA)==AA,1);
CC:=crOSS(C,MA60) AND vol>MA(VOL,5) AND (C-REF(C,1))/REF(C,1)*100>3;
顺势擒龙:IFF((BB AND CC),龙线,0);
