时间:2022-06-02 21:30:05
n.
1.小部分,碎片,片断。
2.一些,一点儿。
3.【化学】分馏,分层,分级。
4.【宗教】圣餐面包分切式。
5.【数学】分数。
短语和例子
a common [vulgar] fraction 普通分数。 a compound [complex] fraction 繁分数。 a mixed fraction 带分数。 a decimal fraction 小数。 a proper [improper] fraction 真[假]分数。 a fraction closer 稍微靠近一点。 by fractions 有余数的,不完全的。 crumble into fractions 碎成片片。 in a fraction of a second 一秒钟的若干分之几,一转眼的工夫。 not a fraction of 一点也没有。 not by a fraction 一点也不。 to a fraction 〔口语〕道道地地,百分之百地。
a small part or item forming a piece of a whole
the quotient of two rational numbers
a component of a mixture that has been separated by a fractional process
perform a division; "Can you divide 49 by seven?"
同义词:divide,
In common usage a fraction is any part of a unit.
The exponent is a fraction or negative number .
指数是一个分数或负数。
Fractions of the phosphor are easily lost .
部分磷光体容易丢失。
Open the window a fraction , please .
请把窗户打开一点。
Earthworms comminute the mineral fraction of soils .
蚯蚓粉碎土壤中的无机物碎片。
It needed only a fraction of a second to behead him .
砍去他的脑袋只要短短的一瞬。
This is called the partial fraction expansion of p/q .
这叫做pq的部分分式展开式。
Antibodies were part of the r-globulin fraction of serum .
抗体是血清r-球蛋白的一部分。
Often it is a very small fraction of the main output .
它在主要产品中通常只占极小的比重。
Only a fraction of the a ions are in tetrahedral sites .
只有一部分A离子处在四面体的位置上。
This last small fraction of soil is most difficult to detect .
这些最后残留的少量油星很难探测。