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

• Existence, approximation and stability of integrable minimum positive solutions for the above equation are gained.
  并得到了上述方程可积极小正解的存在性、逼近性、稳定性。
• This paper proposed a new algorithm for image restoration based on spatial continuity and differential approximation.
  文中提出了一种基于微分近似、利用图像的空间连续性进行图像修复的算法。
• The results by the small slope approximation are also compared with those of the Kirchhoff approximation with.
  同时将小斜率近似与考虑遮蔽效应的基尔霍夫近似和有关实验测量结果作了比较。
• The Optimal Approximation of Matrices on Some Closed Convex Cone; relating to or resembling a cone.
  矩阵在闭凸锥上的最佳逼近（英文）与锥体有关或类似于锥形。
• 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。
• The error of integration and integral sum are often considered in approximation and ( calculation).
  在近似计算中常要考虑积分与积分和的误差。
• If we use the steady state approximation to treat this scheme, the equations derived are more complex.
  如果我们对图解用稳态近似法去处理，则推导出的方程比较复杂。
• 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。
• The method can availably solve the problems of bad training approximation and generalization.
  该方法能有效地解决训练精度和泛化能力差的问题。