编写要求：
均线多头排列十字星回踩5日均线线选股指标。
www.gszx.com.cn网解答：
REF(MA(C,5)>MA(C,10) AND MA(C,10)>MA(C,20) AND MA(C,20)>MA(C,30) AND MA(C,30)>MA(C,60),1) AND CROSS(MA(C,5),L-0.05) AND C>MA(C,5) AND L<O AND L<C AND H>C AND H>O AND ABS(C-O)<ABS(H-L)/5;
