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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

复数：fractions

$fractions$ fractions

搭配反义词

adj.+n.

tiny fraction,small fraction,large fraction

英-汉英-英网络释义

fractions

分数

数学符号的读法 ... 1.Cardinals and Ordinals 基数和序数 2.Fractions 分数 3.Decimals 小数 ...

有理数

《Python标准库》- 京东图书... ... 4.3 calendar- 处理日期 5.2 fractions- 有理数 5.3 random- 伪随机数生成器 ...

碎片

Deaths Of Flowers ... clenched：v. 紧握 fractions：n. 碎片 coiling：n. 卷绕，成卷 ...

分馏物

新编2007通读学习,石油外语石油论坛板块,石油... ... treat＝处理； fractions＝【化】馏分, 分馏物； make into＝把…制成； ...

分数的概念

... Unit 24 The Six Nutrients 六大营养素 Unit 25 Fractions 分数的概念 Unit 26 Understanding Fractions 分数概念之应用 ...

小数和分数

GRE-Math-WY (1)_百度文库 ... 700 2． decimals & fractions 小数和分数 *相关词汇： 39/128 3． consecutive numbers 连续 …

馏分

新编2007通读学习,石油外语石油论坛板块,石油... ... treat＝处理； fractions＝【化】馏分, 分馏物； make into＝把…制成； ...

分数初步认识

双语实验校... ... 陈映辉老师执教的三年级数学双语课《分数初步认识 Fractions》；朱光源老师执教的四年级健康双语课《时间 …

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。

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。

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。

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。

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。

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。

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。

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。

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。

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