fraction n. 1.小部分,碎片,片斷。 2.一些,一點(diǎn)兒。 3.【化學(xué)】分餾,分層,分級(jí)。 4.【宗教】圣餐面包分切式。 5.【數(shù)學(xué)】分?jǐn)?shù)。 a common [vulgar] fraction 普通分?jǐn)?shù)。 a compound [complex] fraction 繁分?jǐn)?shù)。 a mixed fraction 帶分?jǐn)?shù)。 a decimal fraction 小數(shù)。 a proper [improper] fraction 真[假]分?jǐn)?shù)。 a fraction closer 稍微靠近一點(diǎn)。 by fractions 有余數(shù)的,不完全的。 crumble into fractions 碎成片片。 in a fraction of a second 一秒鐘的若干分之幾,一轉(zhuǎn)眼的工夫。 not a fraction of 一點(diǎn)也沒(méi)有。 not by a fraction 一點(diǎn)也不。 to a fraction 〔口語(yǔ)〕道道地地,百分之百地。
Aside from a few special ones, all fractions were decomposed into what are called unit fractions . 除了幾個(gè)特殊分?jǐn)?shù)之外,所有分?jǐn)?shù)都拆成一些所謂單位分?jǐn)?shù)。
百科解釋
A unit fraction is a rational number written as a fraction where the numerator is one and the denominator is a positive integer. A unit fraction is therefore the reciprocal of a positive integer, 1/n.