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ratio是什么意思

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ratio 是什么意思

音标:[ 'reiʃiəu ]  
名词复数:ratios   

中文翻译与英英解释

n.
(pl. ratios)
1.比,比率,比值;比例;系数。
2.【经济学】复本位制中金银的法定比价。
短语和例子
the ratio 3:2 (读作 the ratio of three to two )3对2之比。 arithmetical ratio 公差,算术比。 direct ratio 正比。 inverse [reciprocal] ratio反比。 current ratio 电流比,电流变换系数。 nutritive ratio 营养率。
vt.
1.用比例方式表达;求出…的比值;使…成比例。
2.将(相片)按比例放大或缩小。
the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree; "an inordinate proportion of the book is given over to quotations"; "a dry martini has a large proportion of gin"
同义词:proportion,

the relative magnitudes of two quantities (usually expressed as a quotient)

In mathematics, a ratio is a relationship between two numbers of the same kindWentworth, p. 55 (e.

例句与用法

1.The cross ratio he called anharmonic ratio .
他把交比叫作非调和比。

2.Population can increase in a geometric ratio .
人口可以按几何级数增长。

3.The ratio between the two sides is one to four .
双方人数对比是一对四。

4.Scientists are trying to increase that ratio .
科学家正设法增加这个比率。

5.This is the prime ratio of the nascent increments .
这是最初增量的最初比。

6.Subsistence only increases in an arithmetic ratio .
生活资料只能按算术级数增长。

7.A step-down transformer has a turns ratio less than 1 .
降压变压器的匝数比小于1。

8.As a result, a more even air-fuel ratio is maintained .
因此,能维持合适的空气与燃料之比。

9.Higher ratios can be used with more exotic fuels .
采用较特殊燃料时,可以采用较高的压缩比。

10.Pruning, by removing part of the top, alters this ratio .
修剪通过剪除部分树冠而改变根冠比。

 
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