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单词 approximation
释义

WordReference Random House Learner's Dictionary of American English © 2024
ap•prox•i•ma•tion /əˌprɑksəˈmeɪʃən/USA pronunciation   n. 
    [countable]
  1. an amount or estimate that is almost correct but not exact:These numbers are just approximations.
  2. the quality or state of being near or close:only an approximation of rational behavior.
See -prox-.
WordReference Random House Unabridged Dictionary of American English © 2024
ap•prox•i•ma•tion  (ə prok′sə mā′shən),USA pronunciation n. 
  1. a guess or estimate:Ninety-three million miles is an approximation of the distance of the earth from the sun.
  2. nearness in space, position, degree, or relation;
    proximity;
    closeness.
  3. Mathematics, Physics, Mathematicsa result that is not necessarily exact, but is within the limits of accuracy required for a given purpose.
  • Medieval Latin approximātiōn-, stem of approximātiō. See approximate, -ion
  • Middle French)
  • late Middle English approximacioun (1400–50
ap•prox′i•ma′tive, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
approximation /əˌprɒksɪˈmeɪʃən/ n
  1. the process or result of making a rough calculation, estimate, or guess
  2. an imprecise or unreliable record or version
  3. an inexact number, relationship, or theory that is sufficiently accurate for a specific purpose
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更新时间：2024/11/10 16:49:16