In this paper, satisfactory estimation problem under constraint of regional pole index,H ∞index and error variance index for a class of linear stochastic systems is presented.

This text discusses the necessity of the industry design survey reform in education;Points out position and function of this course in industry design;Discusses the content of this course reform in education;And puts for- ward to raise the students knowledge backlog,the design consciousness to permeate,the method of the creative thinking ability.

The training of design consciousness should be reflected in every aspect of design sketch and enhanced imperceptibly.

Although consciousness have not yet been thoroughly studied in the academic community,and understanding of the concept often with the fuzzy, but design consciousness is one of the main purposes in "design·Application" areas of study in compulsory education,we need to reach some consensus,so that design teaching does not lose direction.

In this article, the author analyzes in detail the cause of statistical data s distortion and makes some countermeasures to solve the problem in order to promote the development of national economy according to the aspects of strengthening civil statistical consciousness, strengthening statistical law execu.