fraction

[美]/ˈfrækʃn/
[英]/ˈfrækʃn/
词频: 极高

释义

n. 小部分;部分;稍微;[数]分数
词形变化
过去式fractioned
第三人称单数fractions
过去分词fractioned
现在分词fractioning
复数fractions

短语搭配

improper fraction

假分数

decimal fraction

小数分数

volume fraction

体积分率,体积分数;容积率

a fraction of

一小部分;一部分;零点几

mass fraction

n. 质量分数

ejection fraction

射血分数;射出分率

void fraction

空隙率;空隙分数;空隙组分

mole fraction

摩尔分数;克分子分数

molar fraction

n. 克分子分数;摩尔分数

size fraction

粒级;颗粒组;粒度级份额

weight fraction

重量百分率;重量分率;重量分数

continued fraction

连分数,连分式

fraction defective

[工业管理]不合格率;废品率;不良率

to a fraction

[口语]完全地;地地道道地;百分之百地

例句

express a fraction as a decimal.

用小数来表示分数

smaller peptide fractions

更小的缩氨酸

moved a fraction of a step.

移了一小步

he hesitated for a fraction of a second.

他犹豫了片刻。

Earthworms comminute the mineral fraction of soils.

蚯蚓粉碎土壤中的无机物碎片。

The cost is only a fraction of his salary.

那项费用不过是他薪水的一小部分。

In the paper , we propose two methods of interference excision: Fraction Zeroize and Fraction Clip.

文章的主要工作就是提出了两种干扰消除算法:部分归零法和部分修剪法。

a second-hand bus cost a fraction of a new one.

一辆二手公共汽车的价格只是一辆新车的一小部分。

Only a fraction of my friends have video recorder.

我的朋友中只一小部分人有录像机。

The car missed me by a fraction of an inch.

那车子差一点儿就要撞到我了。

a fraction with a numerator smaller than the denominator

分子小于分母的分数

the nylon filament necks down to a fraction of its original diameter.

尼龙丝拉伸变细后直径只有原先的几分之一。

most sellers are palmed off with a fraction of what something is worth.

大多数店主被骗接受了不及货物价值零头的价格。

The pigment fraction in the pylen filament yarn was better to be 2%~3%.

丙纶丝中色母粒加入量以2%~3%为宜。

The definition ,basic nature, important rule and histerieal significancy of continued fraction are introduced.

介绍了连分数的含义、基本性质以及连分数的重要定理和作用。

Sodium naphthenate in aqueous solution can solubilize oil fractions durmg caustic treatment.

研究表明,石油酸钠平均相对分子质量越大,对馏分油的增溶能力越强;

"Mother's careful with her money, and spends only a fraction of her earnings."

"母亲用钱很审慎,只花自己收入很小的一部分。"

"Both ventricular ectopy during recovery and a low ejection fraction were independent predictors of death," the authors write.

作者表示,在回复期的心室异位性搏动及低射出分率,是死亡的独立预测因子。

Fly ash is a very good resource for preparing alumina and alugel,because the mass fraction of alumina in it can be up to 15%~40%.

粉煤灰中氧化铝质量分数可达15%~40%,是制备氧化铝和氢氧化铝的很好资源。

原声例句

You are a fraction of my age.

你现在还年轻。

来源: True Blood Season 3

A tiny fraction was recycled. And then an equally small fraction was incinerated.

有一小部分得到了回收。还有同样的一小部分被焚烧了。

来源: PBS Interview Environmental Series

Within a fraction of a second, the star implodes.

不到一秒的时间,恒星便向内坍缩。

来源: Popular Science Essays

Getting salon-quality haircuts at a fraction of the price!

用低廉的价格享受沙龙级的剪发!

来源: Modern Family - Season 07

Anyway, I only broke off a small fraction of the fossil.

反正,我只打碎了化石的一小部分。

来源: Hu Min reads stories to remember TOEFL vocabulary.

That's a tiny fraction of what a common double-a battery generates.

这只是普通双 A 电池的一小部分。

来源: National Geographic Science Popularization (Video Version)

Today, the Ojibwe homelands are a fraction of what they once were.

今天,奥吉布瓦族人的家园只是曾经的一小部分。

来源: Vox opinion

And we haven't tried a fraction of a percent of them.

我们还没有尝试过其中的百分之一。

来源: Gourmet Base

So technically, you see how they looked a fraction of a second ago.

因此, 本质上说你看到的是几毫秒前物体的样子。

来源: Scientific World

Their views only represent a tiny fraction of the world of nations.

他们的观点只是极少数。

来源: Selected English short passages

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