1. Merely the wave dispersion, the convergency of diffracted wave is, in most cases, incomplete.

2. Simulation results show the convergency and efficiency of imitation learning.

3. The analysis shows that the method has good convergency and high precision.

4. B - P algorithm of fast convergency was proposed and used to the offline optimization control.

5. From the exterior economy of spatial relation, discussing convergency, competition and relevancy of retail, is the base of retail micro-location study.

6. The industry convergency strategy has become an important measure to promote the regional competitiveness.

7. Stability and convergency of the system were verified by simulation and experimental results.

8. With finite difference approximation, the space and time step size was solved to ensure the convergency of finite difference approximation.

9. Key words: cluster phenomenon of retail real estate, special market, convergency effect, cooperation effect.

10. In the light of stiffness characteristics of tensegrity structures, the convergency of iterative computation is solved.

11. The job requires a sound understanding of finite element method and numerical convergency.