涨幅:=(C-REF(C,1))/REF(C,1)*100;历史涨幅:=SUM(涨幅,0);A1:=历史涨幅-MA(历史涨幅,12);M2:=MA(A1,2);M5:=MA(A1,5);LONGCROSS(M2,M5,4);
