1 INTRODUCTION  
2 BACKGROUND AND FORMULATION  
3 IMPLEMENTATION OF TRANSFER LEARNING: OVERVIEW  
4 TRANSFER LEARNING FROM THE VIEW OF SURROGATE DESIGN  
5 TRANSFER LEARNING FROM THE VIEW OF ACQUISITION FUNCTION DESIGN  
6 TRANSFER LEARNING FROM THE VIEW OF INITIALIZATION DESIGN  
7 TRANSFER LEARNING FROM THE VIEW OF SPACE DESIGN  
8 APPLICATION SCENARIOS  
9 FUTURE DIRECTION  
10 CONCLUSION