In the construction of software Japanese specialty,Dalian Vocational Technology College regards the social requirement as an aim,with the orientation from the ability of specialty post,to realize the reform of course content for training students’ skill.

Design on applied software for investment index of absolute payback period;

It proposed the structure of environmental monitoring information,design principle of environmental database,ideas to compile applied software for environmental monitoring as well as management and maintenance of the Environmental Monitoring Information Network.

The paper introduces the establishment of calculating model for gas drilling and the programming of the applied software,and analyzes the model for gas drilling theory with field cases.

Discussion on the technology of software reuse;