试题库决策支持系统的设计(二)(续)

考试是整个教学过程的重要环节，如何命题出一份高质量的试卷更是十分关键。本文利用决策支持系统的基本原理，设计了试题库决策支持系统（TDSS）。采用该系统后，用户可以在屏幕上任意编辑试题和相应的图形，并可根据决策者的要求利用随机抽题模型生成试卷。些外，该系统还可自动对试卷进行试前优化和试后评估。

The Design of Decision Support System of Testing Base (2)

Examination is an important tache in the whole teaching process. To propose a high quality testing paper is a key link. The writer of this paper designs a decision support system of testing base (TDSS) under the principle of decision support system. By using this system one can not only edit freely the paper and graphics on the screen, but also make an examination paper by selecting random model according to the users' demands. This system will also automatically optimize itself before the examination and evaluate the testing paper after the examination.