VAR1:=(CLOSE*2+HIGH+LOW)/4;
SK:= EMA(VAR1,13)-EMA(VAR1,73);
SD:= EMA(SK,2);
短线:(CROSS(SK,SD) AND SK -0.04 AND (C-REF(C,1))/REF(C,1) =0.03) OR (CROSS(SK,SD) AND SK =-0.14 )
OR (CROSS(SK,SD) AND SK =0.05 AND (V/MA(V,5) 2 OR C/REF(C,1) 0.035));