反噬乌鸦形态，
副图/ 通用源码
阴线:=C< O;
MA20:=MA(C,20);
MA60:=MA(C,60);
阴线幅度:=(REF(C,1)-C)/REF(C,1)< 0.03;
XH:C>O AND C>REF(O,3) AND REF(COUNT(阴线=1,3)=3,1) AND C>MA20 AND SLOPE(MA20,5)>0 AND REF(O,1) AND REF(O,2) AND REF(COUNT(阴线幅度=1,3)=3,1) AND L<=MA20 AND C/REF(C,1)< 1.06 AND C>MA60;
