This article the compact disc resources according to the network issued the way divides into four kind of types roughly: (1) Along with book compact disc class (2) multimedia compact disc class (3) small database compact disc class (4) other (office software, appli.

This paper expounds the definition of subject indexing of CD-ROM electronic resources, introduces some tools for subject indexing of CD-ROM electronic resources, and probes into some problems related to subject indexing of CD-ROM electronic resources.

The first step to make CD-ROM resources\' MARC is to judge their types.

This paper proposes a new downloading method of disk material based on the present access method of Web disk material,describes design and implementation of the online downloading disk material plug-in.

This paper analyzes the space-time distribution features of sunshine and heat resources of Shanxi Province by using the standard climatic data from 64 stations in the last 30 years, and advances some suggestions on the rational development and utilization of climatic resources.

The sunshine and heat resources are very abundant in Yili river basin,especially because of its flush precipitation it becomes the damp island in arid region of mid.