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。
• 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。
• 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。
• 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
• 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。
• 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。
• 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
• 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。
• 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？