This article is trying to indicate the advantages and the disadvantages for various services.

This paper treats the analytical solution of the queue: H_k/M/2/N with balking, reneging and two heterogeneous servers.

In this article, the influence and shock on traditionary role of library brought by Internet and NIS(Network Information Service) is described and the training way for librarians to change their information conception and the new service ways are also discussed.

The article discusses the practice of technology transformation in Guangxi and the service ways of Industry-University -Academy,for the reference to the work on technology transformation in Guangxi.

Based on the consideration and analysis of the current service patterns and management mechanism in the supermarket bookstore,the present paper holds that some reasonable service patterns and management mechanism in the bookstore should be taken into consideration by the library now so as to improve the situation in the library,that is,the number of the readers there is down step by step.

They focused their community nursing practice on the3aspects:service modes,service contains,service management.

This paper introduces the general developing situation of the modern information technology,expounds the influences of the modern information technology on the library cause,especial on the service mode of the library.

This paper introduces the networking of the library,analyzes on the differences between the library under the network environment and the traditional library,expounds the service mode under the network environment,and probes into the factors influencing the service quality of library under the network environment.