基础释义
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柯林斯词典释义

福克斯词典 \ 英汉词典 \

fractions是什么意思？

fractions

英[f'rækʃnz] 美[f'rækʃnz]

n. <数>分数( fraction的名词复数 )，小部分，分裂，[化学]（分）馏（部）分；

相关单词 infractions

例句

In many applications, accuracies on the order of significant fractions of a second are acceptable. 在许多应用中, 有效数字几分之一秒量级的精度是可以接受的.
Continuous data can be expressed in either fractions or whole numbers. 连数资料可以用分数表示,也可以用整数表示.
Erodible soil fractions are usually dislodged from projections and trapped in depression. 可冲蚀土壤部分经常从凸出物剥蚀并降落于洼地.
The term " continuant " arises from a relation between this type of determinant and continued fractions. “ 连行列式 ” 这一名称来自于这种类型的行列式与连分式的相互关系.
Bile was separated upon celite columns into its taurine and glycine conjugated fractions. 胆汁用硅藻土滤蕊分离出它的牛磺酸和甘氨酸的共轭结合部份.
Three fractions : CCA, CCB, CCC were got respectively. 水溶性粗多糖用乙醇分级法分离出CCA 、 CCB 、 CCC三种组分.
The impurity of supposedly pure subcellular fractions is a constant threat to the plant biochemist. 以为亚细胞组分很纯而实际不纯的情况,一直是植物化学家感到难办的问题.
Different elution fractions from pummelo peel extract exhibit different antioxidative activity. 柚皮提取物不同洗脱级分具有不同的抗氧化活性.
The students had a grasp of decimals, percentages and fractions. 学生们掌握了小数、百分数和分数。
...simple math concepts, such as decimals and fractions. 简单的数学概念，如小数和分数

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柯林斯高阶英汉双解学习词典释义

N-COUNT

少量;小份;一点儿

A fraction of something is a tiny amount or proportion of it.
例句
She hesitated for a fraction of a second before responding... 她在回答之前犹豫了一下。 Here's how to eat like the stars, at a fraction of the cost... 这就是如何花少量钱却能像明星一样吃喝的方法。
N-COUNT

分数

A fraction is a number that can be expressed as a proportion of two whole numbers. For example, ½ and ⅓ are both fractions.
例句
The students had a grasp of decimals, percentages and fractions. 学生们掌握了小数、百分数和分数。

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