The identity is validated when someone try to edit, modify, research the test paper and the score of the test.
题库的编辑、修改，试卷的查询、考试成绩的查询，都需要进行身份验证。
The results showed that the scores was Gassion distribution, the average score was 82.26, and the difficulty and discrimination of the test paper were appropriate.
结果表明此次试卷设计较合理，平均分数82.26，分数近似正态分布，试题难度和区分度属中等。
The results showed that the scores was Gassion distribution, the average score was 82.26, and the difficulty and discrimination of the test paper were appropriate.
结果表明此次试卷设计较合理，平均分数82.26，分数近似正态分布，试题难度和区分度属中等。
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