实验三 ......\Project1.cfg ......\Project1.dof ......\Project1.dpr ......\Project1.exe ......\Project1.res ......\Project1.~dpr ......\Unit1.dcu ......\Unit1.ddp ......\Unit1.dfm ......\Unit1.pas ......\Unit1.~ddp ......\Unit1.~dfm ......\Unit1.~pas ......\Unit2.dcu ......\Unit2.ddp ......\Unit2.dfm ......\Unit2.pas ......\Unit2.~ddp ......\Unit2.~dfm ......\Unit2.~pas