fractions是什么意思

The students had a grasp of decimals, percentages and fractions.

学生们掌握了小数、百分数和分数。

柯林斯例句

Continuous data can be expressed in either fractions or whole numbers.

连数资料可以用分数表示,也可以用整数表示.

辞典例句

Erodible soil fractions are usually dislodged from projections and trapped in depression.

可冲蚀土壤部分经常从凸出物剥蚀并降落于洼地.

辞典例句

The heavier boiling fractions remain, in liquid form on the manifold wall.

较重的沸腾着的馏分以液态停留在多孔的壁上.

辞典例句

What fractions of NPP are invested in allelochemic substances in different communities?

在不同的群落的NPP中究竟有多大部分投入他感化学物质?

辞典例句

Fractions of the phosphor are easily lost.

部分磷光体容易丢失.

辞典例句

1 / 2 , 1 / 4 , and 2 / 3 are fractions.

二分之一 、 四分之一和三分之二都是分数.

辞典例句

It occurs as an exchangeable base in the clay mineral and organic fractions of soils.

钙是以交换性盐基在粘土矿物及土壤的有机部分出现的.

辞典例句

The lack of fine fractions in the expanded clay necessitates the addition of other aggregates.

膨胀性粘土缺乏细料部分,故必须添加其它骨料.

辞典例句

Specific mRNA sequences can be enriched for by preparing the RNA from subcellular fractions.

从亚细胞部分制备RNA,可使专一的mRNA序列的丰度提高.

辞典例句

The impurity of supposedly pure subcellular fractions is a constant threat to the plant biochemist.

以为亚细胞组分很纯而实际不纯的情况,一直是植物化学家感到难办的问题.

辞典例句

The designer can select small port diameters and thereby achieve better loading fractions.

设计人员可选择小的通道直径,从而能得到较好的装填系数.

辞典例句

The term " continuant " arises from a relation between this type of determinant and continued fractions.

“ 连行列式 ” 这一名称来自于这种类型的行列式与连分式的相互关系.

辞典例句

Common fractions written in the Greek or Egyptian system were too awkward for astronomical calculations.

用希腊人或埃及人那套办法写出来的普通分数很不便于作天文计算.

辞典例句

He claims that by using a sequence of solvents a series of fractions can be obtained.

他指出,用这样一系列溶剂,可以得到一系列级分.

辞典例句