extrapolation是什么意思？

extrapolation

英[ɪkˌstræpə'leɪʃn] 美[ɪkˌstræpəˈleʃən]

• n. 推断，<统>外推（法）；

复数：extrapolations;

动词：extrapolate;

例句

• extrapolation to the limit 外推极限法
• At the macroscopic level, an ideal gas is defined by a process of extrapolation. 从宏观角度看, 理想气体的定义是由推论而得来的.
• Rather, speculation, conflicts, and theoretical extrapolation typify their every action. 相反, 怀疑 、 冲突和理论上的推断是他们每步行为的特征.
• His estimate of half a million HIV positive cases was based on an extrapolation of the known incidence of the virus. 他估计有50万个HIV阳性病例，这是根据已知的病毒感染率作出的推论。
• He estimate his income tax bill by extrapolation from figures submit in previous year. 他从前几年的报税数字推算出自己应缴的所得税数额.

柯林斯高阶英汉双解学习词典释义

• VERB
  推断;推知
  If you extrapolate from known facts, you use them as a basis for general statements about a situation or about what is likely to happen in the future.
  例句
  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。 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。

英汉词典释义

• n.
  推断
  He estimate his income tax bill by extrapolation from figures submit in previous year. 他从前几年的报税数字推算出自己应缴的所得税数额。
  <统>外推(法)
  extrapolation to the limit 外推极限法

英英词典释义

• Noun
  1. (mathematics) calculation of the value of a function outside the range of known values
  2. an inference about the future (or about some hypothetical situation) based on known facts and observations

行业词典

• 化工： 外推；
  医学： 推断，推知；外推法；
  数学： 外插；
  物理学： 外推；