协同利用数学变换、高精度近似和二级逼近策略，提出了一种求解结构优化问题的准解析法。
A quasi analytic method for solving structural optimization problems is developed by coordinated use of mathematical transformations, high quality approximation and two level approximation strategy.
板形测控数学模型、解析板形刚度理论和板形板厚协调规律的综合称为板形计法。
Shape survey and control mathematics model, analytical theory for shape stiffness and the shape and gauge coordination control law are called shape meter method.
首先用空间解析法建立了椭圆柱形物体的数学模型。
First, the elliptic cylinder mathematical model has been built by space analysis.
解析法是摄影测量学、数字摄影测量与遥感影像纠正处理的基础理论和基本数学模型。
Analytical methods are the fundamental theories and mathematic models of photogrammetry, digital photometry and correction processing of remote sensing image.
相对解析法的复杂数学处理过程，更加简单、实用，对机械零件的可靠性数据处理有指导意义。
It is easier and practical compared with analytic method which needs complicated calculation, and has the directive function of data processing in reliability analysis of mechanical parts.
本文给出解析法求换热网络中最大热回收量的数学模型及计算方法。
The Paper gives the mathematic models and method of calculation of the maximum heat recovery in the synthesis of heat exchanger networks.
分别用积分变换法和奇异摄动法，导出了数学模型在拉氏域内的解和时间域内的近似解析解，并用导得的解进行模型参数估值。
Parameters are evaluated by using an integral transform technique and a single perturbation technique. An improved method of moment is provided to treat experimental data.
分别用积分变换法和奇异摄动法，导出了数学模型在拉氏域内的解和时间域内的近似解析解，并用导得的解进行模型参数估值。
Parameters are evaluated by using an integral transform technique and a single perturbation technique. An improved method of moment is provided to treat experimental data.
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