关于我在编程和调试过程中的一点点问题,请各位高手给指点一下!

我的程序在第一次运行的时候提示:
Linking...
LINK : fatal error LNK1104: cannot open file "ptclibd.lib"
Error executing link.exe.

McuCenter.exe - 1 error(s), 0 warning(s)
但是我在project--setting-link里面把ptclibd.lib库加好了之后就会出现新的错误!
Linking...
ptclibd.lib(Asner.obj) : error LNK2001: unresolved external symbol "public: virtual long __thiscall PUnsignedArray::GetNumberValueAt(int)const " (?GetNumberValueAt@PUnsignedArray@@UBEJH@Z)
ptclibd.lib(Asner.obj) : error LNK2001: unresolved external symbol "public: virtual void __thiscall PUnsignedArray::PrintOn(class ostream &)const " (?PrintOn@PUnsignedArray@@UBEXAAVostream@@@Z)
ptclibd.lib(Asner.obj) : error LNK2001: unresolved external symbol "protected: virtual long __thiscall PAbstractArray::GetNumberValueAt(int)const " (?GetNumberValueAt@PAbstractArray@@MBEJH@Z)
ptclibd.lib(Asner.obj) : error LNK2001: unresolved external symbol "public: virtual long __thiscall PBYTEArray::GetNumberValueAt(int)const " (?GetNumberValueAt@PBYTEArray@@UBEJH@Z)
ptclibd.lib(Asner.obj) : error LNK2001: unresolved external symbol "public: class PWORDArray __thiscall PString::AsUCS2(void)const " (?AsUCS2@PString@@QBE?AVPWORDArray@@XZ)
ptclibd.lib(Asner.obj) : error LNK2001: unresolved external symbol "public: virtual long __thiscall PWORDArray::GetNumberValueAt(int)const " (?GetNumberValueAt@PWORDArray@@UBEJH@Z)
ptclibd.lib(Asner.obj) : error LNK2001: unresolved external symbol "public: virtual void __thiscall PWORDArray::PrintOn(class ostream &)const " (?PrintOn@PWORDArray@@UBEXAAVostream@@@Z)
Debug/McuCenter.exe : fatal error LNK1120: 7 unresolved externals
Error executing link.exe.

McuCenter.exe - 8 error(s), 0 warning(s)
请问这个倒底是什么回事!