主题：条件

VARIABLE:n:=0,m:=0;
if 条件b or 条件c or 条件d and holding=0 then
buy(1,1,market);
if a and n=0 and holding=0 then
begin
buy(1,1,market);
n:=1;
end
if a1 and m=0 and holding=0 then
begin
buy(1,1,market);
m:=1;
end

if h-ENTERPRICE<=5 and holding>0 and (a or a1 or ...an) then...

if h-ENTERPRICE>=5 and holding>0 and (b or b1 or...bn) then...

if time=CLOSETIME(0) then
begin
n:=0;
m:=0;
end