The quality of test paper is very important to evaluate the ability of the tester, and the grade distribution curve is its main evaluating standard.
试题质量的好坏对评估考生的实际能力非常重要，而考生成绩分布概率曲线是测定试题质量的的最主要标准之一。
The quality of test paper is very important to evaluate the ability of the tester, and the grade distribution curve is its main evaluating standard.
试题质量的好坏对评估考生的实际能力非常重要，而考生成绩分布概率曲线是测定试题质量的的最主要标准之一。
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