读知识>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

  • These results suggest that the3 fractions of DHPR may be structurally related but catalytically distinguishable.
    这些结果告诉我们,不同组分的DHPR在结构上有某种联系但催化效应却有差别。
  • 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。
  • 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。
  • 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。
  • Effects of long-term fertilization on soil humus carbon and nitrogen fractions in a wheat-maize cropping system
    长期施肥对小麦-玉米作物系统土壤腐殖质组分碳和氮的影响
  • What fractions of NPP are invested in allelochemic substances in different communities?
    在不同的群落的npp中究竟有多大部分投入他感化学物质?
  • He claims that by using a sequence of solvents a series of fractions can be obtained.
    他指出,用这样一系列溶剂,可以得到一系列级分。
  • 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 another set of experiments, soluble fractions of the MBR and AS mixed liquors mere analyzed.
    在另一个实验装置中,MBR和AS混合液的可溶解物质被分析。