fraction

英 [ˈfrækʃn] 美 [ˈfrækʃn]

n.  小部分; 少量; 一点儿; 分数; 小数

复数:fractions现在分词:fractioning过去式:fractioned第三人称单数:fractions过去分词:fractioned

CET4CET6考研TOEFLIELTSGRETEM4TEM8医学

Collins.2 / BNC.3509 / COCA.4719



牛津词典

noun

  1. 小部分;少量;一点儿
    a small part or amount of sth
    1. Only a small fraction of a bank's total deposits will be withdrawn at any one time.
      任何时候,一家银行的总存款只有少量会被提取。
    2. She hesitated for the merest fraction of a second.
      她略微犹豫了一下。
  2. 分数;小数
    a division of a number, for example ⅝

    柯林斯词典

    1. N-COUNT 少量;小份;一点儿
      A fraction of something 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。
    2. 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.
      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

    1. The goods will be sold for a fraction of their value in order to discharge the debt.
      货物将被贱价卖出以清偿债务。
    2. She hesitated for a fraction of a second before responding
      她在回答之前犹豫了一下。
    3. 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。
    4. I opened my eyes just a fraction.
      我微微睁开了眼睛。
    5. The students had a grasp of decimals, percentages and fractions.
      学生们掌握了小数、百分数和分数。
    6. The fraction was then multiplied by 100 and rounded to the nearest half or whole number
      然后,分数被乘以100,取整为最接近的半数或整数。
    7. The crop represents a tiny fraction of U.S. production.
      农作物仅占美国出产物极小的一部分。
    8. If a stranger stops you, just wind the window down a fraction.
      如果有陌生人拦你的车,把车窗摇下一点点就行。
    9. The value of a fraction is inversely proportional to that of the denominator.
      分数值与分母值成反比例。
    10. Open the window a fraction, please.
      请把窗户打开一点。
    11. Please open the train [ car] window a bit [ crack; fraction].
      请把这车窗打开一点点。
    12. The cost is only a fraction of his salary.
      那项费用不过是他薪水的一小部分。
    13. And we can time the landing with the precision of a fraction of a second.
      也可以把着陆时间精确到秒的几分之一。
    14. Round off that fraction to a whole number.
      把零去了,就要个整数。
    15. What little I know isn't even a fraction of what he knows.
      我知道的这一点儿,连他的一零儿也比不上啊。
    16. Well it's the mole fraction of A in the gas.
      这是气体中A的摩尔分数。
    17. That the vapor pressure of the solute is related to the mole fraction in the solution.
      溶质的蒸汽压,和溶液中溶质的摩尔分数成正比。
    18. The relation of volume fraction of plasticizer in coating film with the mechanical property was investigated.
      研究了涂层中增塑剂体积分数与涂层力学性能的关系。
    19. The effect of the mass fraction of glass fiber and flyash on the property of the composite was studied.
      研究了不同玻纤和粉煤灰质量分数对复合材料性能的影响。
    20. The definition and function of the volume fraction and mass fraction for the hybrid fiber composite material was approached.
      讨论了混杂纤维复合材料体积含量和质量含量的定义和作用;
    21. The influence of mass fraction of silver on adsorption capacity was also studied.
      同时,研究了载银量对吸附能力的影响。
    22. Using Laplace transforms and a continued fraction method, the distribution of buffer content is achieved.
      运用拉氏变换和连分数的方法求得了缓冲器容量的稳态分布。
    23. Those left are a small fraction of former numbers.
      和原数量相比只剩下了一小部分。
    24. The definition of the void fraction and the calculation formula for the void fraction determining were given.
      给出了孔隙率的定义和确定孔隙率的方法。
    25. The only change is more mature, more than a fraction of the charm!
      唯一变的是更成熟了,多了几分魅力!
    26. You decrease the mole fraction of the less volatile material in the gas phase.
      更不易挥发的物质,在气相中的,摩尔分数减小了。
    27. The conductivity is affected by the conductivity of each component, volume fraction and structure of mixtures.
      整体电导率与各组分的电导率、体积分数和混合物结构有关。
    28. And you'll have some different mole fraction than you started with before.
      你会和之前开始的时候,有不同的摩尔分数。
    29. Also the morphology and mechanical properties of fiber membranes with different mass fraction of gelatin were studied.
      研究了不同明胶比例的纤维膜的微观形貌和干湿态的力学性能。

    英英释义

    noun

    1. a small part or item forming a piece of a whole

      1. the quotient of two rational numbers

        1. a component of a mixture that has been separated by a fractional process

          verb

          1. perform a division
            1. Can you divide 49 by seven?

            Synonym:    divide