英语词汇proper fraction的意思、用法及释义-英汉双解词典

单词	proper fraction
释义	proper fraction (mathematics 数) fraction that has a lower number above the line than below 真分数 , , --- are proper fractions. 、、 ---都是真分数. Cf 参看 improper fraction (improper).
随便看	rail railhead railing raillery railroad railway railwayman raiment rain rainbow rain-check raincoat raindrop rainfall rain forest rain-gauge rainless rainproof rain-water rainy raise -raiser raisin raison d´etre raj

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