| Abstract(in Chinese) | 第1-6页 |
| Abstract(in English) | 第6-11页 |
| 1 Introduction | 第11-19页 |
| ·Backgrounds and notations | 第11-16页 |
| ·Overview of results | 第16-19页 |
| 2 Tree partition number of 2-edge-colored complete bipartite graphs | 第19-25页 |
| ·Preliminaries | 第19-21页 |
| ·Main results | 第21-25页 |
| 3 Tree partition number of 3-edge-colored complete equi-bipartite graphs | 第25-59页 |
| ·Preliminaries | 第25-26页 |
| ·Partition under color degree condition Ⅰ | 第26-28页 |
| ·Partition under color degree condition Ⅱ | 第28-30页 |
| ·Partition under color degree condition Ⅲ | 第30-47页 |
| ·Partition under color degree condition Ⅳ | 第47-56页 |
| ·Concluding remarks | 第56-59页 |
| 4 Tree cover number of 2-edge-colored complete bipartite graphs and 3-edge-colored complete bipartite graphs | 第59-63页 |
| ·Tree cover number of 2-edge-colored complete bipartite graphs | 第59-60页 |
| ·Tree cover number of 3-edge-colored complete bipartite graphs | 第60-63页 |
| Bibliography | 第63-67页 |
| Acknowledgment | 第67-69页 |
| Resume | 第69页 |
