Hello, this magazine is now the core periodical of Chinese in Peking University, and the latest core periodical of Peking University, with 20 14 edition. China Scientific Papers (formerly China Scientific Papers Online) and China Scientific Papers Online (international standard number ISSN 1673-7 180, domestic standard number: CN 1 1-5484/N) are academic journals sponsored by the Science and Technology Development Center of the Ministry of Education.

You can ask if you don't understand. If my answer can help you a little, please adopt it. Give someone a rose, and the hand has a lingering fragrance.