- The delegations' academic theses must have been subjected to strict examination.
- The collection of academic theses compiled by him provided scientific basis for the scientific thought of the Cavendish experimental laboratory.
- In order to correct it, the universalism and organized skepticism should be adopted to regulate the evaluation of academic theses.
- His research has been focused on cognitive linguistics and typology, with the publications of 8 monographs and about 100 academic theses.
- His research has been focused on fuzzy linguistics and typology, with the publications of 5 monographs and several hundred academic theses.