First, the paper gives the experiment design method for constructing approximation model.
本文首先给出了建立近似模型前所需的实验设计方法。
If we substitute actual model for approximation model, the precision of approximation model is very important.
如果用近似模型来代替真实模型，那么近似模型精确度就变得非常重要。
To increase the efficiency of the multidisciplinary optimization of aircraft, an aerodynamic approximation model is improved.
在比值修正模型所构造的气动近似模型的基础上，引入了基于实例的推理技术对其加以改进。
But when the rotary inertia of the hub is close to that of the beam, the zeroth-order approximation model may lead to wrong result.
但当中心刚体的转动惯量接近柔性悬臂梁的转动惯量时，零次近似模型将导致错误的结果。
Utilizing equivalent external cavity approximation model, the influence of coupling coefficient on the threshold gain of FBG-ECL is discussed.
根据等效腔模型，讨论了耦合系数对FBGECL阈值特性的影响。
A modified diffusion approximation model called the hybrid diffusion approximation that can be used for highly absorbing media is investigated.
本文研究了一个适用于强吸收介质的漫射近似模型。
The thesis studies the generalized rough set models and proposes a multi-level rough set approximation model CBM-RS based on a covering of the universe.
作者研究了粗糙集扩展理论，提出了一种多层粗糙集模型CBM-RS。 该模型是一种基于覆盖的扩展的多层粗糙集模型。
The approximation model which is built by experimental design and approximation method can express the relationship between design variables and responses.
近似模型是一种能够反映设计变量与性能响应之间函数关系的数学模型，通常是结合试验设计和近似拟合方法建立的。
Therefore, a new approximation model for alternating phase shift mask considering shadowing effects was proposed in this paper, and shadowing ratio was redefined.
因此本文针对交替式相移掩模，提出了一种考虑阴影效应的近似模型。
This first approximation model is an initial fuzzy model, so it can be introduced as a good initial structure of IT2FLS for further tuning in a subsequent process.
这个一次逼近模型是一个初始的模糊模型，可被引入作为优化调节it2fls参数的一个好的初始结构。
By using this method the extended error of the approximation model is diminished, the approximation precision is improved, and the flexibility is enhanced based on having the same sample points.
该方法在样本点相同的情况下减小了近似模型的推广误差，提高了近似精度，增加了适应性。
By using this method the extended error of the approximation model is diminished, the approximation precision is improved, and the flexibility is enhanced based on having the same sample points.
该方法在样本点相同的情况下减小了近似模型的推广误差，提高了近似精度，增加了适应性。
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