| 单词 | approximation |
| 释义 | approximationapproximation /əˌprɑksəˈmeɪʃən/ AWL noun [countable, uncountable] 1something that is similar to another thing, but not exactly the same: approximation of/to The restaurant serves a close approximation of French cuisine.2math the process of using a value that is not exact, but that is almost the same as an exact value. For example, an estimate is an approximation, because you do not know the exact number: You are using an approximation when you round up the population of a city from the exact number to the nearest thousand. |
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