Based on an introduction to the mathematical theory of tricks on an n-person non-zero sum game,this paper elaborates on the basic ideal of formulating the mathematical stratagem theory,which is an open system found in the closed system i.

Study on problems of financial policy design in our country;

Institutional Framework and Policy Design for Full-covered Medical Security;

A New Perspective of Rural Urbanization:Momentum Evaluating and Policy Designing;

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.

The status analysis of crack and design countermeasure for gearbox in locomotive transmission;

Modeling process quality knowledge supporting design decision-making;

Troubles of design decision-making in designing operation are reviewed.