VAR1:=(CLOSE*2+HIGH+LOW)/4;
SK:= EMA(VAR1,13)-EMA(VAR1,73); SD:= EMA(SK,2); 买进:(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));