A description method for firewall policy based on decision tree;

Research on design strategy of function knapsack based on QFD;

The Segmentation of Product Life Circle of Furniture and Design Strategy;

Human-oriented Multi-Sensual Environmental Design Strategy for Residential Communities;

Conventional open-air stack pier is subject to ground deformation in case of large ground piling, The paper discusses the deformation pattern, its effect on stack s foundation and upper structure, presents design tactics and precautions.

It also explores relevant design tactics.

To complete this work successfully,we need to know the motivation of establishing specialty groups,analyze some relative concepts such as specialty,specialty groups,recognize the types of specialty groups and the causes of their formation and emphasize the strategy design of constructing specialty groups and forming the channels of their construction.