In this paper combined with budget compilation requirements and design process of common budget software the design method, program design and operation of budget software are analyzed in detail from the establishment of norm database, estimation of quantity, conversion treatment and so on.

This paper applies RDB(Foxpro) to aircraft weight engineering management,design and computation of a variety of mass characteristics,combines weight DBMS with computation of mass characteristics,and work out a weight design and management system so as to improve efficiency.

This paper researches into how to use the computer vision to measure cereal about the attribute of its geometry,color and luster,and then proposes to set up the standard vector database of cereal.

This paper presents a method for building the vector database directly from the digital line graph(DLG) in AutoCAD, on the basis of graph element format investigation and geographic information collection of DLG.

This paper analyzes the key technologies in the construction of the of image database,vector database,place-name database,discusses the method for the comprehensive application of the foundational geographical database in the E-government map system.