Terms containing physical theory of diffraction

Subject	English	Chinese
el.	physical theory of diffraction	物理衍射理论
el.	physical theory of diffraction	衍射的物理理论
mil., air.def.	physical theory of diffraction	物理绕射理论
el.	physical theory of diffraction equivalent current method	衍射等效电流法的物理理论
el.	physical theory of diffraction equivalent edge current	衍射等效边电流的物理理论