就爱字典>英语词典>fractions翻译和用法

fractions

英 [ˈfrækʃənz]

美 [ˈfrækʃənz]

n.  小部分; 少量; 一点儿; 分数; 小数
fraction的复数

柯林斯词典

  • N-COUNT 少量;小份;一点儿
    Afractionofsomething is a tiny amount or proportion of it.
    1. She hesitated for a fraction of a second before responding...
      她在回答之前犹豫了一下。
    2. 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。
    3. I opened my eyes just a fraction.
      我微微睁开了眼睛。
  • N-COUNT 分数
    Afractionis a number that can be expressed as a proportion of two whole numbers. For example, ½ and ⅓ are both fractions.
    1. The students had a grasp of decimals, percentages and fractions.
      学生们掌握了小数、百分数和分数。

双语例句

  • From one of the effective fractions several compounds such as linalool, eugenol, phenol, p-cresol have been identified by means of GC-MS and GC-IR analysis.
    有拒食活住,籍助于色谱-质谱和色谱-红外光谱技术,对精油中的有效馏份进行了分析,鉴出了包括芳樟醇,丁香酚,苯酚,对-甲苯酚等化合物。
  • An integer that is a common multiple of the denominators of two or more fractions.
    一个整数是两个或两个以上分数分母的公倍数。
  • Mole fractions or ratio, but it's got units.
    摩尔分数或比率,但它是有单位的。
  • Separate into constituents or fractions containing concentrated constituents; in chemistry.
    分成包含浓缩部分的要素或小部分;化学术语。
  • Mercaptans in the light fractions of FCC naphtha from different refineries were removed by caustic extraction.
    采用碱液抽提的方式,对来自不同炼油厂的催化裂化汽油轻馏分进行了脱硫醇精制试验。
  • To study the chemical constituents in acetic ether and n-butyl alcohol fractions from the roots of Isatis indigotica alcohol extract.
    研究板蓝根乙醇提取物的醋酸乙酯和正丁醇萃取层中的化学成分。
  • To study the antioxidant activity of Lilium lancifolium Thunb., and screen the main active fractions.
    对卷丹百合进行抗氧化活性研究,并筛选其主要的活性部位。
  • Of course, at the limits they're still, both mole fractions they're zero and one.
    当然,在极限处,两个摩尔分数分别是零和一。
  • In this chapter we shall look at how the computer copes with negative numbers and fractions in binary arithmetic.
    本章要介绍的是计算机如何用二进制算法来处理负数和小数。
  • 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。