approximation

英 [əˌprɒksɪˈmeɪʃn]

美 [əˌprɑːksɪˈmeɪʃn]

n.  近似值; 粗略估算; 类似事物

复数：approximations　

医学

BNC.10242 / COCA.13653

牛津词典

noun

• 近似值；粗略估算
  an estimate of a number or an amount that is almost correct, but not exact
  1. That's just an approximation, you understand.
     你知道那仅仅是近似值。
• 类似事物
  a thing that is similar to sth else, but is not exactly the same
  1. Our results should be a good approximation to the true state of affairs.
     我们的结果应该和实际情况相当接近。

柯林斯词典

• N-COUNT 接近；近似
  Anapproximationis a fact, object, or description which is similar to something else, but which is not exactly the same.
  1. That is a fair approximation of the way in which the next boss is being chosen.
     那和下一任老板的选任方式相当类似。
• N-COUNT 近似值；粗略估计
  Anapproximationis a number, calculation, or position that is close to a correct number, time, or position, but is not exact.
  1. Clearly that's an approximation, but my guess is there'll be a reasonable balance.
     很明显那是个粗略的估计，但我猜会有一笔不少的余额。

英英释义

noun

• the act of bringing near or bringing together especially the cut edges of tissue
  Synonym:bringing close together
• the quality of coming near to identity (especially close in quantity)
• an approximate calculation of quantity or degree or worth
  1. an estimate of what it would cost
  2. a rough idea how long it would take
  Synonym:estimateestimationidea
• an imprecise or incomplete account
  1. newspapers gave only an approximation of the actual events

双语例句

• PSO algorithm for polygonal approximation of digital curves restricted by the solution of reference is proposed.
  提出了一种参照解约束下的数字曲线多边形逼近的PSO求解算法。
• That is a fair approximation of the way in which the next boss is being chosen.
  那和下一任老板的选任方式相当类似。
• He had coarsened his voice to an approximation of Cockney.
  他让自己的口音变得粗俗起来，接近伦敦东区的发音。
• Using the random weighting method, its approximating distribution which is more precise than normal approximation is obtained.
  研究了一类有渐近展开分布的逼近问题，应用随机加权法给出了比正态逼近精度更高的模拟分布。
• A rather accurate approximation algorithm of confidence coefficients of asymmetric distribution error and its composite error is put forward.
  提出了非对称分布误差及其合成误差置信系数的一种相当精确的近似算法；
• Some theoretical problems related to quantum adiabatic approximation is discussed in this part.
  这一部分主要讨论与量子绝热近似有关的一些理论问题。
• In addition, the curve approximation method, a new four-bar linkage theory, is introduced.
  还介绍了四连杆机构的新理论-曲线逼近方法。
• Linear approximation is used to pendulous method to get stop point and precision balance measurement of mass.
  本文对天平测量中应用线性近似于摆动法求停点和对物体质量的精密称衡作理论推证和实验验证。
• We must seek two main approximation methods of solution, the variation method and perturbation theory.
  我们必须寻求两个主要的近似解法、变分法和微扰法。
• The eigenvalue problem with the effective-mass approximation is solved by means of the finite-element method.
  用有限元法解出有效质量近似的特征值问题。