【摘要】 就建立高质量试题库的技术质量参数、难度、区分度等进行了分析研究，并提出了等值化处理的方法．更多还原

【Abstract】 This paper deals with technological and quality factors of test base. The degrees of difficulty and difference for the test base are studied. And the method of equalization is put forward.更多还原