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

• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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；
• Based on the quark current, the magnetic moments operator is obtained in non-relativistic approximation.
  从夸克流出发，在非相对论近似下推导得出了磁矩算符的具体形式；
• Approximation methods for problems involving large state spaces are also presented and discussed.
  牵涉大型状态空间问题的近似方法也将被呈现与讨论。