The efficiency of a machine is the ratio between the energy it supplies and the energy put into it. Pi is the ratio of a circle's circumference to its diameter.

ratio是英语单词，主要用作名词，表示两个数量之间的比率或比例关系，复数形式为ratios，英式音标为ˈreɪʃiəʊ，美式音标为ˈreɪʃioʊ。 其核心含义为通过商数形式表达的相对数量关系。

8. To calculate your inclusion ratio, divide the number of pages in a search engine 's index by the total number of pages on your site. 为了 计算 包含 率， 将 搜索引擎 索引 中 的 页面 数 除以 …

ratio ~ (of A to B) the relationship between two groups of people or things that is represented by two numbers showing how much larger one group is than the other 比率；比例 例句： What is …

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A ratio is a relationship between two things when it is expressed in numbers or amounts. For example, if there are ten boys and thirty girls in a room, the ratio of boys to girls is 1:3, or one …

As the change in polarization state is defined by a ratio, ellipsometry is not sensitive to changes in the absolute intensity of the measurement beam - English Only forum

The meaning of such a proportion of ratios with more than two terms is that the ratio of any two terms on the left-hand side is equal to the ratio of the corresponding two terms on the right …

The meaning of RATIO is the indicated quotient of two mathematical expressions. How to use ratio in a sentence.

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