The paper is devoted to the zero utility premium under the classical expected utility theory and the rank-dependent expected uˉtility theory.

Under definite heat loss,the foundation of selecting rationally inner layer and outer layer heat insulating material and conclusion that the thermal insulation expense of double insulating layers maybe lower than single insulating layer were drawn.

This article focuses on the system reform organization, personnel collocation ,and servicing expenditure respect to research and investgate.

The method is testified by estimating the support cost of several anti-ship missiles system,and the results show that this model is effective and feasible.