It means that you can extract important, meaningful, unresolved "key scientific problems" from your project, which can serve as a link between the past and the future and benefit mankind. But for Ji Guo, there is no need to write about key technologies.

Specific steps and methods to solve key problems. On the basis of describing the research process, the technical route is explained by the method of flow chart, and the effect is clear. The technical route takes the R&D project as the main line, emphasizing the process, sequence, internal relations and steps of completing the research content of the project. Only a reasonable technical route can ensure the smooth realization of the established goals, and the rationality of the technical route is not the complexity of the technical route.

Technical route refers to the specific operation steps of the research, which should be as detailed as possible. The key points of each step should be clearly stated and operable. If possible, it can be explained by flow chart or schematic diagram to achieve a clear effect.

I have read a successful book. The applicant directly said that the "key technology" was confidential, and only mentioned the basic research ideas and basic research programs. Even those who got the key fund refused to answer the judges' questions about the core technology on the grounds of "involving technical secrets" in their defense.