| 单词 | proper fraction |
| 释义 | proper fraction【计】 真分数 proper fraction proper fraction n.Mathematics （名词）【数学】 1. A numerical fraction in which the numerator is less than the denominator.真分数：分子比分母小的数学分数2. A polynomial fraction in which the numerator is of a lower degree than the denominator.分子比分母低一级的多项分数 |
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