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- They are far more amenable to approximate solutions. 对于求近似解来说，它们却好用得多。
- The computation of approximate solutions was an extremely laborious task. 近似解的计算是极其繁重的工作。
- We can use this result to establish bounds on approximate solutions. 我们可以利用这个结果求出近似解的界限。
- Only approximate solutions may be obtained even in the best of circumstances. 即使在最佳的条件下，只能得到近似的解值。
- The approximate solutions of the mid-course trajectories for the boost-glide vehicles are investigated. 摘要研究了助推－滑翔式弹道中段的近似解。
- Then the approximate solutions of mid-course trajectories are obtained by the combination of these solutions. 再由上述近似解合成助推-滑翔弹道中段的分段近似解。
- Approximate solutions were found for the rate of growth of a bubble in the process of intumescence. 得到了膨胀过程中气泡生长速率的近似解。
- The Convergence of a Class of Method to Compute out the Approximate Solutions of Infinite Dimensional LQ OptimalRegulator Problems P. 复旦大学最优调节器问题之解的方法的收敛性。
- Under appropriate conditions,the approximate solutions for two nonlinear wave equations are obtained simply and conveniently. 在适当的条件下,较简捷地得出了这两类非线性波方程的近似解。
- A Method that uses the principle of Galerkin variations is presented to obtain approximate solutions of elliptic partial differential equations. 利用Galerkin变分原理，得到椭圆型偏微分方程的逼近解；
- A simple and accurate approximate solutions of thermoelastic responses of functionally gradient piezoelectric composite spheres is developed. 针对梯度功能压电复合材料球壳热弹性响应提出了简单而精确的近似解。
- We thus see that Eq.(7. 44) can only be an approximate solution at best. 于是;我们看到;公式(7.;44)至多也只能是一个近似解。
- Approximate solutions show that the ground water level rises in proportion with rainfall intensity, time and inverse number of the effective porosity of the soil. 近似解说明了水位的上升与降雨强度和时间成正比，与土壤的有效孔隙率成反比。
- The method of weighted residuals is a mathematic procedure with which approximate solutions can be obtained directly from partial differential equations. 加权残值法是一种可以直接从偏微分方程中求得近似解的数学方法。
- Steihaug has shown that an approximate solution of the trust region problem may be found by the PCG method. 共轭梯度法由于不需要矩阵计算和存贮，成了解大型问题的首选方法。
- The approximate solutions for the self-supported (Taylor) waves and for the two cases, the CJ limit and the strong wave limit, of the piston-- driven waves are widely available with satisfactory accuracy. 再利用静止区或活塞边界条件确定其余系数,得到了关于自持爆轰波(Taylor波)及活塞驱动爆轰波的CJ极限和强波极限等几类大范围适用的高精度的近似解。
- This paper build a water quality prediction model in Taihu Lake on the base of 2-D riemann approximate solution model . 本文从浅水动力学模型研究现状和发展趋势出发并结合水环境规划管理的实际需要，分析研究了二维水流水质黎曼近似解模型。
- The study shows that this approximate solution will yield relatively great errors in many cases. 研究表明，很多情况下这种近似解法将产生较大的误差。
- On the basis of concentric annular fluctUation pressure model, approximate solution of eccentric annular was soluted. 在建立同心环空波动压力的精确模式基础上，求解了偏心环空稳态波动压力的近似解。
- Point that we not only find the approximate solution by using the perturbation method, but also can find the precise solution. 认为电场中带电谐振子用定态微扰的方法不仅可以求近似解，也可找到其精确解。
