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procedure TMainForm.Button1Click(Sender: TObject);
var
  arr:array of array of string;
begin
  setlength(arr,2,3);
  arr[1,2]:='this is a test';
  setlength(arr,0,0);
  setlength(arr,4,5);
  showmessage(arr[1,2]);
end;
ÉùÃ÷Ò»¸ö¶þάÊý×éµÄ·½·¨ÊÇÓà array of array of ÀàÐÍ ÕâºÜÌù½üÈËÃǵÄ˼ά·½Ê½¡£Í¬Àí¿ÉÍƳöÈýάÊý×éµÄÉùÃ÷·½·¨Îª array of array of array of  ÀàÐÍ
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procedure TMainForm.Button1Click(Sender: TObject);
var
  arr:array of array of string;
begin
  setlength(arr,10);
  setlength(arr[2],5);
  arr[2,4]:='this is a test';
  showmessage(arr[2,4]);
  showmessage(arr[3,1]);
end;
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N N X N N N N N N N
N N X N N N N N N N
N N X N N N N N N N
N N X N N N N N N N
N N * N N N N N N N
(“X” ´ú±í¿ÉÓà “N”´ú±í²»¿ÉÓà “*”´ú±íarr[2,4]ÔªËØ)
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