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单词 extrapolate
释义

Definition of extrapolate in English:

extrapolate

verb ɪkˈstrapəleɪtɛkˈstrapəleɪtɪkˈstræpəˌleɪt
[with object]
  • 1Extend the application of (a method or conclusion) to an unknown situation by assuming that existing trends will continue or similar methods will be applicable.

    (尤指根据统计资料)把(某种方法或某个结论)的应用范围扩大

    the results cannot be extrapolated to other patient groups

    这些结果不能以此类推应用于其他病人群体。

    no object it is always dangerous to extrapolate from a sample

    仅根据抽样推断总是危险的。

    Example sentencesExamples
    • This confidence cannot be extrapolated to other situations of much larger glucocorticoid exposures in the perinatal period.
    • We strongly believe that this conclusion can be extrapolated to other conditions where domains are present in the film, even if the parameters originating them are somewhat different.
    • The book is of broader relevance than just the tea industry, however, and the problems identified and the methods suggested can certainly be extrapolated to other situations.
    • It is not clear, however, how well these results may be extrapolated to pediatric patients, because of the marked differences in pharmacokinetics of nitrofurantoin in adults and children.
    • It can also be extrapolated to a marital situation.
    • The first is a study on the breakdown of partnerships in Sweden and Norway which, because of flaws in its sample group, can in no way be extrapolated to a condemnation of the stability of gay relationships.
    • Whether these results can be extrapolated to large radial scars detected by mammography is unresolved and requires further investigation.
    • Therefore, results cannot be extrapolated to pharmacy students nationwide or to student populations in other degree programs.
    • Thus, it cannot be assumed that results from secondary care can be extrapolated to primary care.
    • For, those women who did develop heart disease, it was assumed that the results of male-only studies could be extrapolated to them.
    • Although trials showing the benefits of these drugs have excluded patients above this age, evidence suggests that these data may reasonably be extrapolated to older patients.
    • However, they caution that this model should not be extrapolated to asymptomatic patients in whom risk factors play a much greater predictive role.
    • Granted, scientific analysis is necessary in any particular event, but it should not be made a fetish of and extrapolated to entirely different situations.
    • These results may not be extrapolated to a normal menopausal population due to the presence of chemotherapeutic medication.
    • In addition, our subjects were those with severe alcohol problems and thus our results cannot be extrapolated to describe all alcoholic users who have high-risk sexual behaviour.
    • The study population was selected according to respiratory symptoms and, therefore, the results cannot be extrapolated to the general child population.
    • Some studies in adults have shown that ibuprofen is more effective or as effective in pain relief compared with acetaminophen, but these results cannot be extrapolated to children.
    • The results of a retrospective analysis are specific to the observed variation in the vital rates, and can be extrapolated to other situations only with great care.
    • For example, investigators should stress that conclusions drawn from experience in one group of patients should not be extrapolated to all other groups.
    • It's part of their job to extrapolate from current trends, anticipate future problems, and head them off at the pass.
    1. 1.1 Estimate or conclude (something) by extrapolating.
      推断,推知
      the figures were extrapolated from past trends
      Example sentencesExamples
      • Using this relationship, we extrapolated the estimated time of divergence from adjusted measures of pairwise differences between Dendropoma species.
      • What has become increasingly important is extrapolating that imbedded value so it can go on to the balance sheets.
      • The evidence needed for sound policymaking should thus be much more comprehensive than attempts to extrapolate dubious principles from the findings of controlled trials.
      • If you look at previous attempts by actuaries to extrapolate trends, the forecasts have always undershot - and better lifestyles and medical advances have accelerated the improvement in life expectancy.
      • Most franchisors will not make earnings claims, but will provide information with which you could potentially extrapolate gross sales figures.
      • The axon counts were extrapolated by using the area algorithm to estimate the total number of axons for each nerve.
      • During that time, I've seen numerous threat briefings that attempted to extrapolate possible terrorist strategies out of the most obscure bits of intelligence.
      • Safe exposure is extrapolated from tests on rats so their relevance to humans is debatable.
      • From the combination of the relative absorbances and relative fluorescence quantum efficiencies of the two substances, a relative quantum yield could be extrapolated.
      • The computational model can extrapolate the morphogenetic movements of human organs such as the eye, heart, lung etc.
      • Population is extrapolated using the revised UN estimates, which give a figure of 1, 272.2 million;
      • Using these three basic numbers - population, CO2 emissions, and GDP - I proceeded to extrapolate some figures.
      • I have yet to see a successful prediction about the physical world that was inferred or extrapolated from the content of any religious document.
      • Is it that the original statistic was an over-generalization, extrapolated from information that we can't find after the fact?
      • The figures are extrapolated from forecasts in the Barker Report, which made recommendations into the number of new homes which needed to be built to bring Britain's house price inflation in line with that of Europe.
      • The 98,000 figure is extrapolated from an excess of 44 deaths reported since the invasion.
      • The 2004 survey researchers extrapolated figures from information from 248 local authorities in the UK.
      • Data about them, however, must be extrapolated from demographic information compiled by the Australian and New Zealander governments.
      • However, once a Markov model is fitted to this data, replacement frequencies characteristic for distantly related sequences can be extrapolated from the model.
      • Many others disagree, claiming that many of the characteristics of communities are unique and cannot be extrapolated from the species level.
      Synonyms
      forecast, predict, estimate, calculate, gauge, reckon, expect
    2. 1.2Mathematics Extend (a graph, curve, or range of values) by inferring unknown values from trends in the known data.
      〔数〕外推,外插
      the low-temperature results can be extrapolated to room temperature
      a set of extrapolated values

      一组外推值。

      Example sentencesExamples
      • In concept, the models are similar to the GAM formulation of this paper, although the parametric trend curve is badly behaved when extrapolated beyond the limits of the time series.
      • The x-y plot results in a straight line that can be extrapolated back to the ordinate axis to give Fp (ot).
      • The final slope of all the complex curves extrapolate at the intercept to an average value of 1.5 0.5.
      • This is done by extrapolating a graph of volume against temperature.
      • Turgid weight was estimated from the linear relationship between fresh weight and x in the positive turgor range, by extrapolating to x = 0.

Derivatives

  • extrapolative

  • adjectiveɛkˈstrapələtɪvɪkˈstrapələtɪv
    • This method imposes some causal structure on the forecasting task and moves away from essentially extrapolative techniques.
      Example sentencesExamples
      • In particular, investors may follow a ‘momentum’ model of buying and selling currencies, so that once a movement gets going, it tends to generate an extrapolative dynamic of its own.
      • What they did was approach American folk and roots music with the precision and extrapolative inventiveness of jazz.
      • Decisions about whether the threshold has been crossed are difficult precisely because they are, by nature, anticipatory and extrapolative.
      • As Kantrowitz notes, male students are extrapolative, and leap forward into technical learning for its own sake.
  • extrapolator

  • noun
    • This paper considers the problem of limited angle tomography in which a complete sinogram is not available and proposes a linear extrapolator to extrapolate the missing part of the sinogram.
      Example sentencesExamples
      • But the consumer debt-to-income ratio, like the simplistic P / E-to-growth rate comparison, will bury the extrapolators at key inflection points.
      • The second aspect covers the steps to make the extrapolator fully adaptive, through optimization of the time step sensitivity and the input layer width of a sliding window extrapolator.

Origin

Late 19th century: from extra- 'outside' + a shortened form of interpolate.

Definition of extrapolate in US English:

extrapolate

verbɪkˈstræpəˌleɪtikˈstrapəˌlāt
[with object]
  • 1Extend the application of (a method or conclusion, especially one based on statistics) to an unknown situation by assuming that existing trends will continue or similar methods will be applicable.

    (尤指根据统计资料)把(某种方法或某个结论)的应用范围扩大

    the results cannot be extrapolated to other patient groups

    这些结果不能以此类推应用于其他病人群体。

    no object it is always dangerous to extrapolate from a sample

    仅根据抽样推断总是危险的。

    Example sentencesExamples
    • The book is of broader relevance than just the tea industry, however, and the problems identified and the methods suggested can certainly be extrapolated to other situations.
    • Although trials showing the benefits of these drugs have excluded patients above this age, evidence suggests that these data may reasonably be extrapolated to older patients.
    • It is not clear, however, how well these results may be extrapolated to pediatric patients, because of the marked differences in pharmacokinetics of nitrofurantoin in adults and children.
    • Some studies in adults have shown that ibuprofen is more effective or as effective in pain relief compared with acetaminophen, but these results cannot be extrapolated to children.
    • Thus, it cannot be assumed that results from secondary care can be extrapolated to primary care.
    • Granted, scientific analysis is necessary in any particular event, but it should not be made a fetish of and extrapolated to entirely different situations.
    • The study population was selected according to respiratory symptoms and, therefore, the results cannot be extrapolated to the general child population.
    • For, those women who did develop heart disease, it was assumed that the results of male-only studies could be extrapolated to them.
    • In addition, our subjects were those with severe alcohol problems and thus our results cannot be extrapolated to describe all alcoholic users who have high-risk sexual behaviour.
    • Whether these results can be extrapolated to large radial scars detected by mammography is unresolved and requires further investigation.
    • We strongly believe that this conclusion can be extrapolated to other conditions where domains are present in the film, even if the parameters originating them are somewhat different.
    • These results may not be extrapolated to a normal menopausal population due to the presence of chemotherapeutic medication.
    • For example, investigators should stress that conclusions drawn from experience in one group of patients should not be extrapolated to all other groups.
    • Therefore, results cannot be extrapolated to pharmacy students nationwide or to student populations in other degree programs.
    • The results of a retrospective analysis are specific to the observed variation in the vital rates, and can be extrapolated to other situations only with great care.
    • It's part of their job to extrapolate from current trends, anticipate future problems, and head them off at the pass.
    • It can also be extrapolated to a marital situation.
    • The first is a study on the breakdown of partnerships in Sweden and Norway which, because of flaws in its sample group, can in no way be extrapolated to a condemnation of the stability of gay relationships.
    • However, they caution that this model should not be extrapolated to asymptomatic patients in whom risk factors play a much greater predictive role.
    • This confidence cannot be extrapolated to other situations of much larger glucocorticoid exposures in the perinatal period.
    1. 1.1 Estimate or conclude (something) by extrapolating.
      推断,推知
      attempts to extrapolate likely human cancers from laboratory studies

      从实验室的研究结果推知人类所患癌症可能情况的尝试。

      Example sentencesExamples
      • The computational model can extrapolate the morphogenetic movements of human organs such as the eye, heart, lung etc.
      • Using this relationship, we extrapolated the estimated time of divergence from adjusted measures of pairwise differences between Dendropoma species.
      • The figures are extrapolated from forecasts in the Barker Report, which made recommendations into the number of new homes which needed to be built to bring Britain's house price inflation in line with that of Europe.
      • From the combination of the relative absorbances and relative fluorescence quantum efficiencies of the two substances, a relative quantum yield could be extrapolated.
      • Safe exposure is extrapolated from tests on rats so their relevance to humans is debatable.
      • Data about them, however, must be extrapolated from demographic information compiled by the Australian and New Zealander governments.
      • If you look at previous attempts by actuaries to extrapolate trends, the forecasts have always undershot - and better lifestyles and medical advances have accelerated the improvement in life expectancy.
      • Is it that the original statistic was an over-generalization, extrapolated from information that we can't find after the fact?
      • Population is extrapolated using the revised UN estimates, which give a figure of 1, 272.2 million;
      • What has become increasingly important is extrapolating that imbedded value so it can go on to the balance sheets.
      • The axon counts were extrapolated by using the area algorithm to estimate the total number of axons for each nerve.
      • I have yet to see a successful prediction about the physical world that was inferred or extrapolated from the content of any religious document.
      • The evidence needed for sound policymaking should thus be much more comprehensive than attempts to extrapolate dubious principles from the findings of controlled trials.
      • The 2004 survey researchers extrapolated figures from information from 248 local authorities in the UK.
      • Many others disagree, claiming that many of the characteristics of communities are unique and cannot be extrapolated from the species level.
      • The 98,000 figure is extrapolated from an excess of 44 deaths reported since the invasion.
      • Using these three basic numbers - population, CO2 emissions, and GDP - I proceeded to extrapolate some figures.
      • However, once a Markov model is fitted to this data, replacement frequencies characteristic for distantly related sequences can be extrapolated from the model.
      • During that time, I've seen numerous threat briefings that attempted to extrapolate possible terrorist strategies out of the most obscure bits of intelligence.
      • Most franchisors will not make earnings claims, but will provide information with which you could potentially extrapolate gross sales figures.
      Synonyms
      forecast, predict, estimate, calculate, gauge, reckon, expect
    2. 1.2Mathematics Extend (a graph, curve, or range of values) by inferring unknown values from trends in the known data.
      〔数〕外推,外插
      a set of extrapolated values

      一组外推值。

      Example sentencesExamples
      • The x-y plot results in a straight line that can be extrapolated back to the ordinate axis to give Fp (ot).
      • The final slope of all the complex curves extrapolate at the intercept to an average value of 1.5 0.5.
      • Turgid weight was estimated from the linear relationship between fresh weight and x in the positive turgor range, by extrapolating to x = 0.
      • In concept, the models are similar to the GAM formulation of this paper, although the parametric trend curve is badly behaved when extrapolated beyond the limits of the time series.
      • This is done by extrapolating a graph of volume against temperature.

Origin

Late 19th century: from extra- ‘outside’ + a shortened form of interpolate.

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更新时间:2024/10/19 14:50:20