词语吧>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

  • In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.
    石脑油馏份与一个热表面接角,就裂解而得到乙烯和丙烯。
  • 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。
  • 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
  • Kinetics of Heavy Metals Desorption by EDTA and Citric in Contaminated Soil and Their Redistribution of Fractions
    EDTA和柠檬酸对污染土壤中重金属的解吸动力学及其形态的影响
  • 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。
  • Triglyceride mass fractions are expressed as percentages.
    甘油三酸酯质量分数的表述单位为百分比。
  • The students had a grasp of decimals, percentages and fractions.
    学生们掌握了小数、百分数和分数。
  • 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。
  • I can't add one and one, let alone do fractions.
    我连一加一等于几都不知道,更不用说做分数了。
  • 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。