approximation

[ə.prɔksi'meiʃən]

n. 接近, 近似, 近似值

例句与用法：

This is just an approximate figure.

这仅仅是个近似值。

The color of the curtains approximates that of the rug.

窗帘的颜色和地毯相近。

Your guess only approximates to the facts.

你的猜测仅仅是接近事实。

词形变化：

形容词: approximative | 副词: approximatively |

n.

1. 接近

2. 近似额; 概算

3. 【数】近似值

approximation

词形变化：

形容词: approximative | 副词: approximatively |

词义辨析：

同义参见:

correspondence

comparison

similarity

approximation[ə,prɔksi'meiʃən]n.1.■接近，靠近，走近，逼近(的状态)，近似(to)2.■【数学】近似值；近似法；近似化；粗略估计，略计，概算approximation to(或of)近似数，近似值接近，近似

approximation

名词 approximation:

an approximate calculation of quantity or degree or worth

同义词：estimate, estimation, idea

the quality of coming near to identity (especially close in quantity)

an imprecise or incomplete account

the act of bringing near or bringing together especially the cut edges of tissue

同义词：bringing close together

approximation

■A closed-Form approximation of likelihood functions for discretely sampled diffusions: the exponent expansion.

7.离散采样扩散的一个封闭式近似的或然性函数：指数的扩张。

■Is the Eikonal Approximation Certainly Bad at Larger Angles?

Eikonal近似在大角度一定不好吗?

■The HEWC problem was formulated as an integer linear program, and an approximation solution was obtained by using LP-relation and rounding heuristic.

HEWC问题第一次被归结为一个整数线性规划问题，并且利用LP的放松问题和有界启发得到一个近似解。

■A Novel Distributed Approximation Algorithm for Minimum Connected Dominating Set.

一个新的分布式最小连通支配集近似算法。

■One is solving the QPSK NDA maximum likelihood equation by gradient approximation, which has better convergence performance than other methods.

一种是基于NDA(Non-Data-Aided)最大似然估计的梯度迭代求解方法,这种方法与其它迭代方法相比,具有更好的收敛性能。

■Musgrave, G.W., 1947, The quantitative evaluation of factors in water erosion： A first approximation.

万鑫森、陈清茂1980覆盖及敷盖对坡地土壤结核量之影响。

■Compared with the traditional Gaussian approximation method, the accuracy of mathod IS is observed.

与传统的高斯近似法相比，更加准确、应用范围更广。

■The validity of the centralfield approximation rests on the great mass of the sun and on the relatively great separation of the planets.

中心场近似的准确性基于太阳的巨大质量以及行星之间的巨大距离。

■To a good approximation, the induction response depends on the product of conducting layer thickness and conductivity.

为了更好地近似，感应现象取决于导电层的厚度和导电性。

■Based on individual similarities, an approximation strategy of similar fitness is put forward to reduce user fatigue.

为减轻用户疲劳，基于个体相似度，提出一种类适应度近似策略。

■Info:This is a beautiful Cocktail/Debs/Prom dress it is made to order, so delivery time would be approxim ......

主要材质:其它次要材质:其它尺码:全码适用季节:夏

■Subtracting this value from 100 can give a good approximation of total CPU usage.

从100里面减去这个值可以得到一个总的CPU使用量的优良的近似值。

■From the Hamiltonian of the atomic system,making use of Born-Markoff approximation,the optical Bloch equations are derived.

从系统的哈密顿量出发,利用玻恩马尔可夫近似,推导出了原子的光学布洛赫方程。

■He could travel with an approximation of ease if not enjoyment in the class that disconcerted him.

他与同他步调不一致的人外出时，即使感到不快也能做到近乎坦荡。

■What they need is an approximation or even a semblance of normalcy.

他们需要的是尽量保持正常甚至是看上去正常。

■As an approximation he should understand enough computer programming.

他大体上要弄懂足够的计算机程序编制。

■What he said was an approximation of my idea.

他说的是很接近我的想法。

■Finite sum of harmonics for approximation of a step exponential pulse.

以有限谐波级数近似单边递减波。

■Finite sum of harmonics for approximation of a source of step exponential pulse.

以有限谐波级数近似单边递减波电源。

■For any approximation to be valid it must provide a result that is in some sense close to the solution of the original problem.

任何有效的近似式必须在某种意义上提供一个接近于原问题解的结果。

■But the static dipole field is an oversimplified approximation without considering retarded potential.

但静态磁偶极场假设过于简化，未考虑推迟势效应。

■To a very good approximation the total energy is conserved.

作为一个非常好的近似，这里的总能量是守恒的。

■The approximation for MSE is obtained and used to solve the optimization problem for design variables.

作者在MSE极小的意义下，给出辨识设计变量的解析表达式。

■Do you need physical accuracy or is an approximation ok?

你是一个需要体力的准确性或近似吗?

■That's just an approximation, you understand.

你知道那仅仅是近似值。

■We treat the ionized impurity scattering rates within the single subband static screening approximation.

使用单子带静态屏蔽模型来处理电子与杂质的散射过程。

■The interference terms are separated according to the antenna diagram approximation model.

依据天线图解近似模型，干扰项可认为是独立的。

■The calculation method for the vibrational partition sums Qvib used is the harmonic oscillator approximation.

其中,转动配分函数考虑了离心扭曲修正,振动配分函数采用谐振子近似。

■A sine wave shape is valid for many motors and it is a good approximation if the shape of the BEMF differs for a given motor.

其实，一般而言，很多的电动机所产生的反电动势都是正弦波形状的，而且即使不是正弦波形状，也会比较接近正弦波的形式。

■When it is solvable, the unique solution which is the optimal approximation to a given matrix is also given.

其次，给出了可解时解集合中与给定矩阵最佳逼近的解；

■The demonstration of AT is thus simplified significantly and the error estimation of adiabatic approximation is expressed more explicitly.

其证明过程变得更简单,绝热近似的误差估计也被做得更直捷,并得到了(?)

■Once more a very good source of information about connections between different approximation techniques.

再一次推荐，这是一篇解释不同估计法彼此间关联的优良资讯来源。

■The jellium model in a certain approximation leads to the equation .

凝胶模型在某种近似下导致下列方程。

■The He 2+ +H Impact Ionization process is investigated using a continuum distorted wave method with the eikonal initial_state(CDW_EIS) approximation.

利用初态程函近似的连续扭曲波方法研究了He2+离子与H原子的碰撞电离过程.

■The original of the Magnetocrystalline Anisotropy of Rare Earth in RCo_(5) have been studied by the single ion (molecular field) approximation.

利用单粒子点电荷模型研究了RCo5中一系列稀土离子 ,包括轻离子Pr3 + ,Nd3 + 和重离子Tb3 + ,Dy3 + ,Er3 + 的磁晶各向异性。

■The radiance of jet plume in arbitrary light of sight are predicated using Curtis-Godson micro-spectrum approximation.

利用微观谱带Curtis-Godson单线近似方法,计算了沿任一视线飞机尾焰的红外辐射亮度。

■The remnant n(t)is the difference between the actual pilot output and the linear approximation to it.

剩余值n（t）是驾驶员的真实输出和它的线性近似之差。

■Single-precision numbers store an approximation of a real number.

单精度数值存储实数数值的近似值。

■Even though an approximation of this overhead is subtracted, it still has subtle timing effects on multithreaded applications.

即使减去此系统开销的近似值,它仍然对多线程应用程序有细微计时影响。

■WITHOUT TESTING THEY CANNOT BE ACCURATLY SET.THEY ARE THERE AS A GUIDE TO GIVE A ROUGH APPROXIMATION OF THE SKILL.

只有通过测试才能设置合理。这些技能的粗略的近似值只是一些指引而已。

■Meanwhile both the mapping approximation ability and predication performance of the network are analyzed in details.

同时通过分析和实验说明网络具有较强的映射能力和预测性能。

■Similarly, high heat flows are to be expected among the active or not-too-long extinct magmatic belts of plate approximation zones.

同样，在板块相互靠近的地带的活动岩浆带或熄灭不久的岩浆带中也可以出现高热流。

■Baldwin B S,Lomax H.Thin Layer Approximation and Algebraic Model for Seperated Turbulent Flows[R].AIAA 78-257.

周力行.湍流气粒两相流动和燃烧的理论与数值模拟[M].北京:科学出版社,1994.

■The second Born approximation obtains better results compared with the experimental data.

和实验相比较,第二玻恩近似方法给出了较好的结果;

■Thus Planck's law can be used as a good approximation.

因而布朗克定律可以作为一个较好的近似计算。

■In 1981 the 30 year bond which is a good approximation for mortgage rates, was yielding 14% today it yields 4%.

在1981年的30年期国债是一个很好的近似抵押贷款利率，收益率为14%，现在则收益率4%。

■Variational method and TDA approximation was applied to construct the SD pairs in the SD-pair shell model (SDPSM).

在SD对壳模型的理论框架下,利用变分法及TDA近似确定SD对结构。

■Excellent agreement between the present approximation and the exact solution was found over the entire time domain.

在整个时间范围内近似式运算结果和准确解均十分吻合。

■Under rotating wave approximation, the total coherent Hamiltonian of photon-phonon coupling system driven by incident field is introduced.

在旋转波近似下，得到在入射光驱动下光子－声子耦合体系的总的相干性哈密顿算符。

■The approximation of a linear dependency between heat flow and temperature difference leads to satisfactory results.

在热流量与温度差之间，近似地采用线性关系，也能得出令人满意的结果。