The reasons for the confidentiality of the paper should be filled in according to the actual situation. For example, some data and research results of the paper have not been published. If it is necessary to keep it secret, just write down the reasons. If it involves state secrets, write it as if it involves state secrets, so keep it secret.

Papers are often used to refer to articles that conduct research in various academic fields and describe academic research results, which are referred to as papers for short. It is not only a means to discuss problems in academic research, but also a tool to describe academic research results in academic exchanges.