To obtain the maximum interspace of Euclidean-space with obstacles——MAXG(Ω),a new method of map algebra is used to analysis.

The supplementary correction method and the obstacle space barrier method calculating effect value of classification parcel considering obstacle space and analyzed,and the keystone and step of the obstacle line barrier method is put forward,and an example of Zhanjiang City urban land classification is given.

It selects new central objects by using direction relations and solves the distance between two objects in obstacle space by the means of trace and non-geometry.

This paper analyzes connotation of Hebei Province E-government, and reviews the development process and questions of E-government from home and abroad, then gives the spatial barriers of the E-government in regional geography.

Important conclusions of Gram determinants in Euclid space;

By using the co-ordinate transform between the general base and the orthogonal base of the Euclid space, the current signal is decomposed to a series of orthogonal currents including a broad-sense fundamental current and a harmonic current.

By the relation transvection,we obtain two necessary and sufficient conditions for the transformation being linear transformation in Euclid spaces,and out of it,we have got some conclusions.

On distance between a p-dimensional plane and a q-dimensional plane in Euclidean space E~n;

Curvature and geometric property of submanifolds in Euclidean spaces;

Generalized normal operator and generalized normal matrix on the general Euclidean space;

Test research about the performance influence on the fan-outlet obstructed space are carried out, and the suitable space is put forward.