extrapolate

英 [ɪkˈstræpəleɪt]

美 [ɪkˈstræpəleɪt]

v.  推断; 推知; 外推

现在分词：extrapolating　过去分词：extrapolated　过去式：extrapolated　第三人称单数：extrapolates　复数：extrapolates　

GRETEM8

BNC.15251 / COCA.14252

牛津词典

verb

• 推断；推知；外推
  to estimate sth or form an opinion about sth, using the facts that you have now and that are valid for one situation and supposing that they will be valid for the new one
  1. The figures were obtained by extrapolating from past trends.
     这些数据是从过去的趋势推断出来的。
  2. We have extrapolated these results from research done in other countries.
     我们从其他国家所作的研究中推断出这些结果。

柯林斯词典

• VERB 推断;推知
  If youextrapolate fromknown facts, you use them as a basis for general statements about a situation or about what is likely to happen in the future.
  1. Extrapolating from his American findings, he reckons about 80% of these deaths might be attributed to smoking...
     根据他在美国的调查结果推断，他估计这些人中约有80％可能死于吸烟。
  2. It is unhelpful to extrapolate general trends from one case.
     根据一个案例来推断总的趋势是没有用的。

英英释义

verb

• gain knowledge of (an area not known or experienced) by extrapolating
• estimate the value of
  Synonym:interpolate
• draw from specific cases for more general cases
  Synonym:generalizegeneraliseinfer

双语例句

• Prominent among the various techniques that can help to extrapolate past date into future trends are the following: time series, least squares method, exponential smoothing, regression and correlation.
  由历史数据推测未来趋势的众多方法中较突出的有：时间序列法、最小平方法、指数平滑法、回归分析和相关分析。
• We see lots of observations and therefore we naturally extrapolate to a generalization like this.
  我们有许多观察所以我们，自然地推断这样的推广。
• A week is not enough data to extrapolate the effectiveness of TDD on a multi-month or multi-year project.
  一个星期所产出的数据是没法衡量在长达数月或是数年的项目中TDD的效用的。
• Subsequently, when the application gets developed, process a small number of files and extrapolate from the numbers.
  随后，进行了应用程序开发之后，处理少量的文件，并根据得到的数据进行推断。
• Because there were so few work days in January, statisticians had to extrapolate to produce figures for the full month, but economists suspect that they may have overestimated industrial activity in the process.
  由于1月份工作日这么少，因此统计人员不得不推算得出全月的数据，但经济学家们怀疑，在此过程中他们可能过高估算了工业活动。
• We can only extrapolate from their remains.
  我们只能从恐龙化石中做出推测。
• You assume the future will be like the past, or you extrapolate a trend.
  他们假设未来将与过去类似，或按照目前的趋势进行推演。
• We do not know the exact figure for forest damage, but we can extrapolate from the sample surveys.
  我们不知道森林破坏的精确数字，但是我们可以从抽样的测量来推算。
• The answer is yes, but on conditions that seem increasingly implausible if we extrapolate current policies.
  答案是肯定的，但有一些前提条件。如果我们延续当前的政策，这些前提条件似乎越来越无法成立。
• You can't extrapolate from Shanghai or Beijing.
  你不能根据上海或北京的情况进行推断。