approximations

n.

接近( approximation的名词复数 )；近似值；近似额；粗略估计

approximation method近似方法；近似法；尝试法

linear approximation线性近似，线性逼近

successive approximation连续的近似值；连续的学习步骤；逐次近似计算法

first approximation第一近似值

born approximation玻恩近似；玻饵似

approximation error近似误差

adiabatic approximation绝热近似

least square approximation最小平方逼近

approximation theorem逼近定理

degree of approximation近似度，逼近度

initial approximation初始近似值；起始方位；初始近似

method of approximation近似法

quadratic approximation二次逼近

1. All the models still involve approximations and simplifications.
   所有的模型都还是采用了一些近似的方法与简化的条件。
2. There are two approaches generally used to arrive at these approximations.
   通常有两种方法用于获得近似解析式。

An analysis of approximations for maximizing submodular set functions - 1
An analysis of approximations for maximizing submodular set functions—I
An analysis of approximations for maximizing submodular set functions—II
Optimal approximations by piecewise smooth functions and associated variational problems
Multiresolution approximations and wavelet orthonormal bases of $L\sp 2({\bf R})$
Multiresolution approximations and wavelet orthonormal bases ofL2(R). Trans Am Math Soc
All optimal Hankel-norm approximations of linear multivariable systems and their L, a?? -error boundsa?
ChemInform Abstract: GROUND STATES OF MOLECULES. 38. THE MNDO METHOD. APPROXIMATIONS AND PARAMETERS
Optimization of parameters for semiempirical methods V: Modification of NDDO approximations and application to 70 elements
Approximate Bayesian inference for latent Gaussian models by using integrated nested Laplace approximations