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；

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

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。