The completion condition of the national youth project is (as long as one of the following conditions is met) 1, and it is supported by the National Natural Science Foundation of China 1. 2. Published 1 many related academic papers (with fund number) in the journals included in SCI. 3. Publish more than 2 related academic papers in China series magazines (fund number is required). 4. Obtain 1 relevant provincial scientific research achievements (the project leader must rank first).