主题：求助

long1:=  tholding<0 and c>ma42;
long2:=  tholding=0 and c>ma42 and ma42>ref(ma42,1);
 
if long1 then begin
tsellshort(1,0,mkt,0,0,'800309');
end
if long2 then begin
tbuy(1,1,mkt,0,0,'800309');
end

short1:= tholding>0 and c<ma42;
short2:= tholding=0 and c<ma42 and ma42<ref(ma42,1);

if short1 then begin
tsell(1,0,mkt,0,0,'800309');
end
if short2 then begin
tbuyshort(1,1,mkt,0,0,'800309');
end