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

• 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。
• 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。
• Finally the approximation algorithm for the minimum weak vertex cover set is analyzed based on the maximal flow partition.
  进一步分析了求解基于最大流划分的最小弱顶点覆盖集的近似算法。
• The Boundary element approximation for the parabolic variational inequalities of the second kind is discussed.
  讨论了第二类抛物型变分不等式的边界近似。
• 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。
• 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；
• 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。
• Numerical analysis studies methods for problems in analysis using ideas of functional analysis and techniques of approximation theory;
  数值分析研究方法的分析应用功能分析与逼近论技术思想的问题；
• 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。
• 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。