请老师帮忙写个简单公式，谢谢

if ma1>ma2 and c>ref(hhv(h,10),1) then begin

   sellshort(1,0,market);

   buy(holding=0,1,market);

end

if ma1<ma2 and c<ref(llv(l,10),1) then begin

   sell(1,0,market);

   buyshort(holding=0,1,market);

end