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fractions是什么意思？

基礎(chǔ)釋義
例句
柯林斯詞典釋義

fractions

英[f'r?k?nz] 美[f'r?k?nz]

n. <數(shù)>分?jǐn)?shù)( fraction的名詞復(fù)數(shù) )，小部分，分裂，[化學(xué)]（分）餾（部）分；

例句

In many applications, accuracies on the order of significant fractions of a second are acceptable. 在許多應(yīng)用中, 有效數(shù)字幾分之一秒量級的精度是可以接受的.
Continuous data can be expressed in either fractions or whole numbers. 連數(shù)資料可以用分?jǐn)?shù)表示,也可以用整數(shù)表示.
Erodible soil fractions are usually dislodged from projections and trapped in depression. 可沖蝕土壤部分經(jīng)常從凸出物剝蝕并降落于洼地.
The term " continuant " arises from a relation between this type of determinant and continued fractions. “ 連行列式 ” 這一名稱來自于這種類型的行列式與連分式的相互關(guān)系.
Bile was separated upon celite columns into its taurine and glycine conjugated fractions. 膽汁用硅藻土濾蕊分離出它的牛磺酸和甘氨酸的共軛結(jié)合部份.
Three fractions : CCA, CCB, CCC were got respectively. 水溶性粗多糖用乙醇分級法分離出CCA 、 CCB 、 CCC三種組分.
The impurity of supposedly pure subcellular fractions is a constant threat to the plant biochemist. 以為亞細(xì)胞組分很純而實際不純的情況,一直是植物化學(xué)家感到難辦的問題.
Different elution fractions from pummelo peel extract exhibit different antioxidative activity. 柚皮提取物不同洗脫級分具有不同的抗氧化活性.
The students had a grasp of decimals, percentages and fractions. 學(xué)生們掌握了小數(shù)、百分?jǐn)?shù)和分?jǐn)?shù)。
...simple math concepts, such as decimals and fractions. 簡單的數(shù)學(xué)概念，如小數(shù)和分?jǐn)?shù)

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柯林斯高階英漢雙解學(xué)習(xí)詞典釋義

N-COUNT

少量;小份;一點兒

A fraction of something is a tiny amount or proportion of it.
例句
She hesitated for a fraction of a second before responding... 她在回答之前猶豫了一下。 Here's how to eat like the stars, at a fraction of the cost... 這就是如何花少量錢卻能像明星一樣吃喝的方法。
N-COUNT

分?jǐn)?shù)

A fraction is a number that can be expressed as a proportion of two whole numbers. For example, ? and ? are both fractions.
例句
The students had a grasp of decimals, percentages and fractions. 學(xué)生們掌握了小數(shù)、百分?jǐn)?shù)和分?jǐn)?shù)。

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fractions是什么意思？

fractions