The innovation index is the paper you write, whether it can be used in production or not, and how much profit it can bring. You can realize the value of a product according to your paper.

The "research status" in the application of research topic refers to the research achievements of this research topic at home and abroad at present, as well as the summary of views on these achievements. "Development trend" refers to the evaluation of some new viewpoints in this discipline, including the opinions of most scholars, more unified views and so on.

Basically, opening a topic is to tell people what you are going to do, what you will do, what the result will be and what the benefits are. So the author's expected goal is what is possible and what is the ideal result.