52词语>英语词典>approximation翻译和用法

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
      1. the quality of coming near to identity (especially close in quantity)
        1. 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
        2. an imprecise or incomplete account
          1. newspapers gave only an approximation of the actual events

        双语例句

        • 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;
        • OK, so this one explains to you what's going on in terms of approximation formulas.
          好了,这样我就,向你们解释了近似公式。
        • 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;
        • 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 successive approximation approach designing optimal controllers is developed for a class of nonlinear discrete-time systems.
          研究了非线性离散系统最优控制问题,提出一种逐次逼近方法;
        • 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。
        • 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。
        • The multilevel B-splines approximation is a good method for surface reconstruction.
          多层B样条方法在曲面的拟合中提供了新的途径。
        • A new application of genetic algorithm in FIR filter with weighting Chebyshev optimal approximation method is presented.
          介绍了一种遗传算法在FIR数字滤波器设计&加权切比雪夫最佳逼近准则优化设计方法中的应用。
        • 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。