difficulty and differentiation
difficulty and differentiation
难度和差异化
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The standard score is influenced by subjective factors only while free of the influence of such objective factors as the degree of difficulty and the degree of differentiation.
标准分数是将原始卷面分数经过某种数学公式转换后 ，扣除难度和区分度等客观因素影响而只考虑主观因素影响的一种相对分数。
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