求高手帮忙编写一个通达信的选股公式，三阴\N缩量\N一阳选股！谢谢！

Question

MA5:MA(C,5);
MA10:MA(C,10);
MA20:MA(C,20);
MA30:MA(C,30);
MA60:MA(C,60);

A:MA(C,5)COLORBLUE,LINETHICK3;
B:=A<REF(A,1);
IF(B-1,A,DRAWNULL)COLORRED,LINETHICK3;
DRAWTEXT(LAST(C<O,3,0) AND LAST(VOL<REF(VOL,1),3,0),L*0.975,'三阴\N缩量\N一阳');

Answer 1

XG:LAST(C<O,3,0) AND LAST(VOL<REF(VOL,1),3,0);