approximation
英 [əˌprɒksɪˈmeɪʃn]
美 [əˌprɑːksɪˈmeɪʃn]
n. 近似值; 粗略估算; 类似事物
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- That's just an approximation, you understand.
你知道那仅仅是近似值。
- That's just an approximation, you understand.
- 类似事物
a thing that is similar to sth else, but is not exactly the same- 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。
- Our results should be a good approximation to the true state of affairs.
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.- 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。
- That is a fair approximation of the way in which the next boss is being chosen.
- 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.- 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。
- Clearly that's an approximation, but my guess is there'll be a reasonable balance.
英英释义
noun
- the act of bringing near or bringing together especially the cut edges of tissue
- the quality of coming near to identity (especially close in quantity)
- an approximate calculation of quantity or degree or worth
- an estimate of what it would cost
- a rough idea how long it would take
- an imprecise or incomplete account
- newspapers gave only an approximation of the actual events
双语例句
- 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； - 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。 - 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； - 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。 - 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 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。 - 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。 - 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。 - 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； - But, if you fix a point, then we have linear approximation.
但是，如果你固定了一个点，就能得到线性近似。