这个我们可以直接求解。
有些积分直接求解，相当麻烦。
用直接求解法求解喉口尺寸，并进而算出气流出口角。
After the throat sizes are directly solved, the outlet flow angles are evaluated.
采用有限体积法在桨叶固接坐标系直接求解三维欧拉方程。
The approach is to solve the Euler equations in a rotor fixed frame of reference using a finite volume method.
本文利用特征线法直接求解该辨识问题，得到了该问题的显式解。
In this paper, the characteristic method is used directly to solve this problem of identifiability, and the obvious solution to this problem is obtained.
然而，直接求解由此得到的极小元素所满足的方程有较大的困难。
It is well known that for a smoothing functional there exists a unique minimizing solution determined by a minimal function equation.
导出了隧道控制测量中缓和曲线理论投点曲线长的直接求解公式。
The direct solution formula for the curve length of a theoretical control point on the transition curve is proposed, with the solution of high order equation being avoided.
利用不等步长有限差分法直接求解雷诺方程，进行轴承的分析计算。
For the analysis and calculation of such kind of bearing the Reynolds' equation is directly solved by the finite differential method with inequal steps.
本文提出了一种分析电大尺寸结构散射特性的有限元直接求解方法。
An alternative direct finite element method is presented for analysis of the scattering characteristics of the electric large size structure in this paper.
运用拉普拉斯变换推导出其两种求解方法：直接求解法和状态空间法。
Two solving methods are deduced using Laplace transform: the direct solving method and the state-space method.
直接求解非线性耦合方程的成功，表明该数学模型及其解法是可行的。
The success of solving the nonlinear proved that the mathematical model is feasible.
根据磁异常反演磁性介质下界面，属于非线性问题，一般很难直接求解。
The inversion of the lower interface of magnetic media on the basis of magnetic anomaly is a nonlinear problem. which it generally difficult to solve directly.
该模型为混合0 - 1整数规划模型，属于NP问题，直接求解较困难。
The model belongs to mixed 0-1 integer programming model and is NP problem, the more difficult to solve directly.
本文介绍了对该问题的全量直接求解方法，无需迭代，方法本身不引起误差。
This problem can be solved in total strain plasticity directly by the method presented. No iterative process is required to obtain the real solution.
这种方法能直接求解具有应力约束和几何约束的离散变量结构优化设计问题。
The structural optimum design with discrete variables under stress and section size constraints is performed using this method.
运用并矢代数方法，直接求解时谐电磁场的非齐次波动方程，并给出应用实例。
Using dyadic method, non-homogeneous wave equations of time-harmonic electromagnetic field are solved directly, several examples are calculated.
本文在特征值及右特征向量均为已知的条件下，提出一种直接求解左特征向量的方法。
This paper presents a direct solution to the left eigenvector of the asymmetrical matrix under the condition that the eigenvalue and the right eigenvector are known.
采用直接求解偏微分方程组的方法生成具有复杂扭曲规律的三元离心叶轮贴体网格坐标。
The body-fitted computational grid for twisted channels of a centrifugal impeller is generated by solving elliptic partial differential equations directly, so that the grid lines are smooth.
配电网络规划属于非线性混合整数规划问题，应用传统数学优化算法往往难以直接求解。
Distribution network planning is a nonlinear mixed integer program problem which is usually difficult to be solved by conventional optimization algorithm.
根据可逆冷轧机的生产特点，采用一种通过直接求解非线性方程组来确定负荷分配的方法。
Based on the rolling feature and practice of reversible cold mill, a new calculating method to determine the load distribution is put forward by means of nonlinear equations.
再利用时间常数对测温点的能量平衡方程进行直接求解，从而得到被测介质的真实动态温度。
Then, an energy balance equation of the temperature measurement points is directly solved by the time constants, thus obtaining the real dynamic temperature of a measured media.
传统的可转债定价方法的基本思路是通过建立可转债价值的模型来直接求解可转债理论价格。
The basic thought of the traditional convertible bond pricing theory is to construct a value model of convertible bond to solve the theoretic price.
本文以梯度投影法迭代直接求解出观测值的改正数，并在最后给出一个简单算例，以资验证。
The correction of the observation is obtained by the interation with gradient projection method and a simple calculation example is given to verify it.
其中效果最为显著是应用pmu高精度测量值的潮流方程直接求解方法，该方法不需迭代计算。
The most effective method is the direct (non iterative) solution of power flow using PMU measurements with high precision.
输入输出受限非线性系统的预测控制问题，可以看作是一个难以直接求解的约束非线性优化问题。
Predictive control algorithms for a multivariable nonlinear system with limited inputs and outputs can be formulated as a constrained nonlinear optimization problem which is hard to solve.
通过对描述沙粒垂向运动速度脉动分量的随机微分方程的直接求解，获得了风沙流中沙粒运动的随机轨迹。
Stochastic sand trajectories in wind-blown sand were obtained by solving the differential equation which describes the vertical fluctuating velocity of sand grains.
给出了分段线性函数族的定义和有关的运算性质，利用这些性质得到直接求解变分问题的一种新的数值方法。
The definition of the Segmental Linear Functions and some operational properties are given. By means of the properties, a new numerical method for direct solving variational problems is obtained.
为此，在基于VLBI资料解算erp高频变化时，建议采用直接求解模式，并考虑岁差章动模型偏差的影响。
In the solution of high frequency variation of ERP from VLBI observations, the direct solution mode with the consideration of the pole offsets is accordingly recommended.
为此，在基于VLBI资料解算erp高频变化时，建议采用直接求解模式，并考虑岁差章动模型偏差的影响。
In the solution of high frequency variation of ERP from VLBI observations, the direct solution mode with the consideration of the pole offsets is accordingly recommended.
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