它利用有限数量的观测来寻求待求的依赖关系，目标是在未来样本上的预测越准确越好。
It tries to extract the dependency rule from a finite number of examples, with the ultimate aim of predicting the future unknown samples as accurate as possible.
根据在ANSYS中的建模和剖分情况，把成像区域离散成了有限个小网格后，就可以把待求的目标函数看成是矩阵，矩阵中的每个元素是与小网格的节点一一对应的。
In accordance with the ANSYS modeling and mesh, imaging region is separated in to small grids. Then the objective function is seemed as a matrix which each element with a small mesh of nodes.
根据波动理论，满足随机响应工程计算精度要求的有限元网格大小与待求高频随机响应问题的频率范围上限有关。
According to wave motion theory, finite element mesh size satisfying the needs of engineering calculating precision is relevant to the upper limit of frequency range of random (response) problems.
将待检索图像所有值域块的欧氏距离求平均，此平均欧氏距离较小的几幅图像即为检索出的图像。
Average the Euclid distances of all the range blocks in the retrieval image, then the images whose average Euclid distances are smaller are selected as the retrieval images.
将一般解析解代入边界条件，用正弦数加角点条件的方法确定待求系数。
The general analytic solutions satisfy the boundary conditions and the conditions at the corner points. The unsolved coefficients are worked out by the sine series method.
用正交优选方法优选模型中的待求系数，确定了模型的定量关系。
The undetermined coefficient of the model is selected by using the orthogonal optimum seeking method, thereby the quantitative relation of the model is determined.
第三种方法是把待求级数用基本初等函数的幂级数展开式表示出来；
The third one is to let series be expressed by basic elementary function's power series expansion;
第三种方法是把待求级数用基本初等函数的幂级数展开式表示出来；
The third one is to let series be expressed by basic elementary function's power series expansion;
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