主题：这个条件如何编写

if TIME>091500 AND TIME<151300 AND CLOSE>CC+N1 and holding=0 and n<2 then BUY(1,1,MARKET);

if TIME>091500 AND TIME<151300 AND CLOSE<CC-N1 and holding>0 then begin

    SELL(1,1,MARKET);

    n:=n+1;
end

if TIME>091500 AND TIME<151300 AND CLOSE<CC-N1 and holding=0 and n<2 then BUYSHORT(1,1,MARKET);

if TIME>091500 AND TIME<151300 AND CLOSE<CC+N1 and holding<0 then begin

    SELLSHORT(1,1,MARKET);

    n:=n+1;
end

IF TIME>151300 THEN
 BEGIN
全平空:SELLSHORT(HOLDING<0,0,MARKET);
全平多:SELL(HOLDING>0,0,MARKET);
END