在技术或法律文献中，可自由发挥的余地较小，但对于“宽泛的”主题，自由发挥的余地就会大大增加，例如，一般题材或营销文件等。
The number of options is lower in technical or legal matters, but it greatly increases for “softer” topics, for example, general subject or marketing documents.
方法前瞻性方法，结合文献综述、过程分析、统计学和计算机网络技术等。
Methods A perspective method, together with literature summary, process analysis, statistics and computer network techniques, was employed.
文献、设备、人才、技术等是图书馆的独特资源。
Documents, equipments, technique, personnel... etc. are special resources of the libraries.
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