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

  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。
点击展开全文

双语例句

  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。
  2. 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。
  3. 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？
  4. Difference of opinion broke up the party into fractions.
    意见分歧使这个党分裂成各个小派别。
  5. 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。
  6. 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。
  7. Can you say these fractions in English?
    你能用英语说出这些分数吗？
  8. It occurs as an exchangeable base in the clay mineral and organic fractions of soils.
    钙是以交换性盐基在粘土矿物及土壤的有机部分出现的。
  9. 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。
  10. 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。
  11. 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。
  12. XB In the liquid phase we've got mole fractions xA and xB.
    液相中我们有摩尔分数xA和。
  13. He can't do the simplest one, say nothing of the fractions.
    他连最简单的都不会，更不要说分数了。
  14. The critical solubility temperatures for16 different mass fractions of castor oil were measured with an improved experimental apparatus.
    为测定二甲醚与蓖麻油混合燃料的临界互溶温度，对互溶性实验装置进行了改进。
  15. 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。
  16. 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。
  17. 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。
  18. Mole fractions or ratio, but it's got units.
    摩尔分数或比率，但它是有单位的。
  19. 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。
  20. 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。
  21. 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
  22. 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。
  23. 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
  24. 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。
  25. Fractions of seconds are ignored.
    秒数的小数部分将被忽略。
  26. 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。
  27. We also looked at K in terms of mole fractions.
    我们也将K看做摩尔分数的函数。
  28. 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。
点击展开全文

考试分类

行业分类

柯林斯词典词频分级词汇

其他分类