这个错误是什么意思呢？
-------------------Configuration: student - Win32 Debug--------------------Linking...
test.obj : error LNK2001: unresolved external symbol "public: float __thiscall array<class student>::GetAverage(void)" (?GetAverage@?$array@Vstudent@@@@QAEMXZ)
test.obj : error LNK2001: unresolved external symbol "public: class student __thiscall array<class student>::GetArray(class student *)" (?GetArray@?$array@Vstudent@@@@QAE?AVstudent@@PAV2@@Z)
Debug/student.exe : fatal error LNK1120: 2 unresolved externals
Error executing link.exe.
