| Chinese abstract | 第1-5页 |
| English abstract | 第5-7页 |
| 1. Introduction and definitions | 第7-9页 |
| 2 Results on Cartesian product | 第9-14页 |
| ·Higher connectedness properties of Cartesian product | 第9-12页 |
| ·Properties on local cut and generalized cuts in Cartesian product | 第12-14页 |
| 3 Results on lexicographic product | 第14-17页 |
| ·Higher connectedness properties of lexicographic product | 第14-16页 |
| ·Properties on local cut and generalized cuts in lexicographic product | 第16-17页 |
| References | 第17-21页 |
| Contents of finished papers | 第21-22页 |
| Acknowledgement | 第22-23页 |
