According to relevant information, the inquiry shows that it is not a spot check. The formal review is divided into four stages:

1, preliminary review, comprehensive review by the project leader.

2. In the second trial, the review team composed of the undertaker of the National Natural Science Foundation, the research secretary and the original official reviewer Yun conducted a comprehensive review.

3. During the third trial, the college will conduct spot checks on the national natural tender by special personnel.

4. In the fourth trial, the college re-examined the paper tender submitted. In other words, the first trial and the second trial are all comprehensive reviews.