主题：跨周期语法请教

HH:ref(HHV(H,2),1);

LL:ref(LLV(L,2),1);

hh2:"HH##WEEK";

LL2:"LL##WEEK";

sell(holding>0 and c< LL2,0,market);//C<ll2,如果有多单全部平掉，

sellshort(holding<0 and c> HH2,0, market);//c>hh2,如果有空单全部平掉

buy(holding=0 and c> HH2,N, market);//如果没单，c>hh2,开N手多单

buyshort(holding=0 and c< LL2,N , market);//如果没单，c<ll2,开n手空单

CURRENTTIME>=145000;