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

• 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。
• Because we extrapolate from what has happened in the past to what will happen in the future. I have lost you I can see.
  因为我们从过去发生的事情推断，将来会发生的事，我觉得你们有点晕了。
• 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。
• Their stock price, if you extrapolate that out for today, the point is about here after splits.
  如果我们估计他们现在股票的价格，差不多到这里。
• This work also offers a reminder: If you just extrapolate from the recent past to predict the economic future, you are likely to be wrong.
  这项研究还提醒我们：如果你仅仅根据近期状况来预测未来经济走向，你的预测很可能是错的。
• You may also want to only do detailed logging on a random fraction of requests and extrapolate from there.
  您还可能会想只对请求的一个随机部分执行详细的日志记录，然后从中进行普遍性推断。
• We can only extrapolate from their remains.
  我们只能从恐龙化石中做出推测。
• It is no longer necessary to extrapolate from a small sample of data; now it is possible to analyse an entire dataset.
  今后再没有必要只根据小范围的数据样本进行推断了；现在已有可能做到分析整个数据集。
• New lightweight agile domains are now available to help extrapolate designs.
  现在有新的轻量型敏捷域可用于帮助推断设计。
• 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。