Exact and approximate methods, energy methods, principle of virtual work, introduction to computational structural mechanics.
精确解法及近似解法，能量法，虚功法。结构计算力学绪论。
The exact and approximate solutions are different in the magnitude and signs (positive and negative) of A4 as well as the variations with azimuths.
精确解与近似解的差异不仅表现在A4值的大小及符号（正负），而且表现在A4随方位的变化特征。
All the major types of reconstruction approaches are discussed, including exact algorithms, approximate algorithms, and iterative algorithms.
文中涉及各种主要重建算，法包括准确重建，近似重建和迭代重建算法。
The paper is concerned with the algorithms for extraction of minimal unsatisfiable (mu) Boolean sub-formula. The algorithms include approximate and exact methods.
研究了极小布尔不可满足子式的提取算法，它分为近似算法和精确算法两种。
Various RATIONAL, polynomials, RATIONAL Exact solutions of equations and transcendental equations and approximate solutions.
进行各种有理式计算，求多项式、有理式方程和超越方程的精确解和近似解。
In this paper, the exact solution and approximate solution of the boundary control problem for a class of the heat-conduction equation are given.
给出了热传导方程边界控制问题的精确解和近似解，证明了近似解对精确解的收敛性。
If the grid points are different and dense in the interval of the solution, then approximate solution is convergent uniformly to the exact solution.
如果节点在求解区域内互异而且稠密，则近似解一致收敛到精确解。
The computation results indicate that the AWE technique not only can well approximate the exact numerical solution, but also improve the velocity of calculation and save the calculation time of CPU.
计算结果表明：渐近波形估计技术不但能准确地逼近矩量法的精确数值解，还可以较快的提高计算速度，但在加速计算导体宽角度与宽频域雷达散射截面时具有不同的效果。
In the physical world there exist a number of conservation laws, some exact and some approximate.
物理世界中存在着一些守恒定律，其中有些是严格的，有些是近似的。
In the case of the ferromagnetic and antiferromagnetic phase transitions, the results are in agreement with the known exact and the best approximate ones very satifatorily.
对应于铁磁及反铁磁相变，其结果与已知的严格解及最好近似解一致。
The appearance of the finite element method would provide us a way to solve it. We can approximate the true situation as long as the division is exact and units are small enough.
有限元法的出现，给我们解决这一问题提供了有效的途径，只要边界条件足够准确、单元足够小就可以逼近真实情况。
Finally, a numerical example is given under a special probability model, and the evaluation for the approximate and exact lower co...
在一个特殊概率模型下，给出了一个数值例子，并对其精确置信下限与近似置信下限作出了评价。
The results obtained from this method are compared with some approximate solutions and the exact solution, it turns out that the method proposed is more efficient for earthquake resistant...
本文方法所得结果与某些近似解和精确解的结果对比，表明本文方法对抗震设计是有效的。
The results obtained from this method are compared with some approximate solutions and the exact solution, it turns out that the method proposed is more efficient for earthquake resistant analys...
本文方法所得结果与某些近似解和精确解的结果对比，表明本文方法对抗震设计是有效的。
The paper presents the comparison between each approximate formula and that of the exact one, and several examples to illustrate the application of the results.
文中给出了几种简化式与精确式计算结果的对比，并给出了几个应用实例。
The techniques for finding exact probability solutions, approximate probability solutions, conditions for motion stability, and the failure probability and statistics of a system are discussed.
该技术为寻找确切概率的解决方案，近似概率的解决办法，条件，运动稳定，失效概率和统计制度进行了讨论。
In this paper, it analyzes the qualitative stage, and USES quantitative model to count the exact point of each stage, not to limit the approximate diagram.
本文既对定性阶段进行分析，还利用定量模型推导出各阶段的精确点，而不仅仅局限于示意图的大概描述。
The paper presents the comparison between each approximate formula and that of the exact one, and several examples to illustrate the application of the...
文中给出了几种简化式与精确式计算结果的对比，并给出了几个应用实例。
In this paper, the exact solution and approximate solution of the boundary control problem for a class of the heat-conduction equation are given.
就一类典型的抛物型问题——热传导方程，研究矩形网格上质量集中有限元方法的有关性质。
In this paper, the exact solution and approximate solution of the boundary control problem for a class of the heat-conduction equation are given.
就一类典型的抛物型问题——热传导方程，研究矩形网格上质量集中有限元方法的有关性质。
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