fractions
美 [ˈfrækʃ(ə)n] 
英 ['frækʃ(ə)n]
- n.碎片；【数】分数；【化】分馏；一些
- 网络有理数；分馏物；分数的概念
词形变化
复数：fractions 反义词
同义词
英汉解释
英英解释
例句
Let's consider a student trying to understand fractions.
再让我们来想一想一个学生如何学习分数。
But when it asked him to multiply a series of fractions with just over a minute left to play, he had no patience to work out the problem.
但是在离结束游戏还有一分多钟的时候要求他计算一组分数的乘法时，他就没有耐心在这个问题上计算了。
Your "big numbers" here are really just a drop in the bucket, fractions of fractions of a percent of our user base.
你所说的“大数字”只是用户基数的很小一部分。
One defines standard parts of the face and measures the distance, and the changes in distance over fractions of a second, between them.
一类是定义脸部的标准部位和测量部位之间的距离，以及在几分之一秒内距离的变化。
For others, it might be a cartoon produced by the world's best animators illustrating how fractions represent parts of a whole.
对于有些学生，可能是看一个世界上最好的卡通工作室做出来的教学分数的卡通影片。
Some of these particles are stable and form the normal matter, the others live for fractions of a second and then decay to the stable ones.
这些粒子中的一部分是稳定的并且构成了普通物质，其它的只存在一秒钟的几分之一，然后衰变为稳定粒子。
And then we're going to need the total number of moles, because we're going to be doing mole ratios, mole fractions.
然后我们需要知道，总摩尔数，所以我们要计算，摩尔比摩尔分数。
Computers did not like fractions, nor did the old method encourage trading at the speed of light.
电脑不喜欢分数制，而且旧的报价方法有碍交易以光速进行。
yB Is going to be answer to part b, given these two molar fractions and the total pressure.
等于0。139，So，yB，is，equal，to，0。139。，这是成分B的答案，我们可以从这两个摩尔分数和总气压算出来。
The results showed that the temperature and time of the heat treatment had different effect on the protein fractions.
结果表明，热处理温度和时间对样品中的蛋白质组分均有不同程度的影响。
It will be much easier to understand if the fractions are rounded up to the whole numbers.
如果把分数调高为整数，那么就更加容易理解了。
After World War II, the energy derived from burning the various fractions of petroleum exceeded that of coal.
二战后，燃料各种石油馏分所产生的能量超过了燃烧煤所产生的能量。
The solvent used for the extraction was tetrahydrofuran and sol-fractions of the samples were calculated.
并对该弹性体及其抽提后的试样进行了扫描电镜表征。
The downtime in these scenarios is measured as non-existent, fractions of a second, or, at the high end, a few seconds.
在这些场景中，停机时间以不存在、一秒或数秒来度量。
But both structures tend to break apart and recombine frequently, on the order of extremely tiny fractions of a second.
然而这两种结构在极小的时间片段顺序下，趋于频繁分开和再结合。
The new Big Bang simulator is tiny - its width is only a few fractions of centimeters (20 micrometers).
这个新模拟的大爆炸是迷你型的，其宽度只有厘米的几千分之一（20微米）。
In the brain, only the mitochondrial fraction showed the ability to reduce Cu-PTSM, and the other subcellular fractions did not.
在大脑中，只有小部分表明线粒体的能力，以减少铜PTSM，其他亚细胞组分没有。
The GDI mapping modes allow you to draw in units of inches (or rather, fractions of inches), millimeters, or anything you want.
GDI映射模式允许你用英寸（或者甚至是英寸的小数），毫米或者任何你想的单位绘图。
Sectors of it represent corresponding fractions of a wavelength.
它的各个弧段则代表一个波长的相应分数。
any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis.
能通过蛋白质水解过程将蛋白质催化分解为更小的缩氨酸和氨基酸的酶。
The work of the chemical engineer in utilizing successively greater fractions of raw materials such as crude oil is well known.
化学工程师的工作是对象原油这样的一些原材料的多数分馏物加以连续不断地利用，这是尽人皆知的。
It is separated into a few fractions which boil over different ranges of temperature.
它按沸点的几个温度范围分成少数几种馏分。
Math is difficult for her; fractions and percentages are completely new.
数学对他来说，相当困难。分数和百分数是第一次见面。
These groups also fire over fractions of a second, much closer to the timescale of conscious awareness than single-neuron firings .
这些神经细胞群活化的时间也超过几分之一秒钟，远比单一神经元的活化时间，要更靠近意识能够察觉的时间尺度。
Fractions of normal and cancer stem cells are naturally more resistant to toxic injuries than any other cell type.
部分成体干细胞和肿瘤干细胞先天就比其他类型细胞更加耐受毒性损伤。
So if we're going to be writing our equilibrium constant in terms of mole fractions, we're going to need mole fractions.
所以如果我们把平衡常数写作，摩尔分数的函数，我们需要知道摩尔分数。
Are there any other (minor) components in any of the fractions ?
在任何一个馏份中还有没有其他（较少）组分呢？
The invention also concerns a device for separating fractions of a mixture to be separated.
本发明还涉及一种将待分离混合物进行分离的装置。
The smoke extract is with the present method produced by means of supercritical extraction of fractions of the wood tar.
使用本方法通过超临界提取木焦油的级分生产烟提取物。
I'm afraid some of you students have forgotten what i taught you last week when we studied complex fractions.
我恐怕你们当中有的人已经忘了上星期我们在学繁分数的时候所教的内容了。
A rational range is the set of all fractions from a minimum fractional value through a maximum fractional value .
有理范围是指从最小分数值到最大分数值的所有分数的集。
The kids also learn fractions as they follow who gets knocked out of the tournament.
学生们也可以从那些被淘汰的球队那学会用分数进行计算得分。
You know, so, at best, we're like these tiny fractions of people, you know, walking.
所以，我们充其量就只是这些来自於从前的人们的微小碎片。
As a result, drivers are able to shave fractions of a second off their lap times.
因此，赛车手可以将他们的绕圈时间减少千分之一秒。
She shifted. 'Why, yes. Isn't it the usual thing for a child to be struck for in fractions? '
她挪动一下。‘哎，是的。那不是用来打不守规矩的小孩很常用的东西吗？
Simply, interactive websites and textbooks can teach fractions and the stages of cell reproduction every bit as well as a lecturer.
简而言之，互动式的网络和课本可以完全像老师那样讲解细胞繁殖阶段的课程。
The second and third fractions were mesopore and micropore diffusion respectively, and the intraparticle diffusion was the control step.
第二和第三阶段分别是中孔和微孔扩散过程，颗粒内扩散为速率控制步骤。
Gliding more efficiently, with less drag, can cut vital fractions of a second from a swimmer's time.
更有效的滑行、减少阻力，可以降低对运动员至关重要的须臾的比赛用时。
This example is greatly simplified, and the specific units are unimportant (in reality the units would be tiny fractions of seconds).
此例彻底简化了的，并且具体的单位也不重要（实际上，此单位是一秒的极小一部分）。
Click on the different icons to choose another exercise. The exercises help you to practice different aspects of calculating with fractions.
点击不同的图标来选择另一个练习。这些练习帮助您练习不同方面的分数计算。
avoid needless and flowery words. think of elementary school when you had to reduce fractions to the "lowest common denominator. "
不要用那些垃圾词语和华丽的词藻。您应该还记得在小学简化分数时用到的“最小公分母”定律吧。
