The paper concretely introduced the application of GDC technique to LYNX 3D seismic survey, the application results showed that application of GDC technique to real-time control seismic data acquisition quality could both guarantee the productive effects and acquisition quality and reduce the cost.

Through the comparisons of every two factors, the fuzzy judgement matrix was dotained, and then the weights of the factors which influence the purchasing quality and the order of the schemes were determined by using FAHP.

In order to ensure the specialized books quantity and increase the aim of purchasing books,a analysis model of purchasing quality for specialized books in the university library was established in this paper.

Based on the demand of university s education and self development,this article puts forward some measures of optimizing the acquisition quality and perfecting the book recommendation system in advance of the university library by discussing the successful experience of the Web 2.

The purchaser s optimal purchase rate is discussed and the mathematics impression is worked out by means of mathematics according to the request of the purchase quality.

The exploitation quality digital estimation method of stopes based on actual surveys