1. Description of technical background: In the citation part, existing relevant technical documents or patents can be cited to describe the development status of relevant technical fields and the current status of existing technologies, so as to help examiners or experts better understand the technical meaning and background of invention and innovation.
2. Explain the technical problems: The citation part can quote the existing relevant technical documents or patents, explain the limitations and existing problems of the existing technology, and highlight the technological advantages of invention and innovation and the innovative points of solving problems.
3. Proof of technological innovation: The cited part can cite the existing relevant technical documents or patents to prove the difference and innovation between the technical scheme and technical characteristics of the invention and innovation and the existing technology, so as to highlight the technological innovation and practicality of the invention and innovation.
4. Auxiliary examination: The cited part can refer to the existing relevant technical documents or patents to help examiners or experts better evaluate the technological innovation and practicality of inventions and innovations, so as to make examination decisions more accurately.