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指數(shù)
An index is a system by which changes in the value of something and the rate at which it changes can be recorded, measured, or interpreted.
例句
...the UK retail price index.
英國零售價(jià)格指數(shù)
...economic indices.
經(jīng)濟(jì)指數(shù)
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索引
An index is an alphabetical list that is printed at the back of a book and tells you on which pages important topics are referred to.
例句
Curiously, the word 'gay' does not occur in the index...
奇怪的是,gay這個(gè)詞沒有出現(xiàn)在索引當(dāng)中。
There's even a special subject index.
甚至有一個(gè)專項(xiàng)索引。
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VERB
為(書等)編索引
If you index a book or a collection of information, you make an alphabetical list of the items in it.
例句
This vast archive has been indexed and made accessible to researchers...
這個(gè)存量巨大的檔案室的所有文件都已編了索引,可供研究人員使用。
Painters and sculptors are indexed separately...
畫家和雕刻家被分開，分別做了索引。
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VERB
使(與…)相應(yīng)掛鉤;使指數(shù)化
If a quantity or value is indexed to another, a system is arranged so that it increases or decreases whenever the other one increases or decreases.
例句
Minimum pensions and wages are to be indexed to inflation.
最低養(yǎng)老金和最低工資要與通貨膨脹掛鉤。
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標(biāo)志;跡象;指標(biāo)
If one thing is an index of another, it indicates what the other thing will be like.
例句
Weeds are an index to the character of the soil.
雜草是反映土壤特征的一個(gè)指標(biāo)。
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(數(shù)學(xué)中的)指數(shù)
In mathematics, indices are the little numbers that show how many times you must multiply a number by itself. In the equation 32 = 9, the number 2 is an index.