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In this paper, by using the method tO get the arithmetic solution and with the formula calcuatring the moving particle trace in magnetic field, corrected be computer, it is easy to get the arithmetic solution, in addition,the result of solving is giv...

本文用求数值解的方法，使用经过计算机修正后的计算磁场中粒子运动轨迹的公式，可以非常迅速、简单地得到带电粒子在磁场中运动轨迹的数值解，并以图像给出解的结果。

Further, when the solution setis nonempty, the structure of the solution set of the equation is given.

进一步，当方程解集非空时，给出了方程解集的结构。

The structure of exact solution set of multi pantograph delay differential equation is studied and existence and uniqueness of an exact solution is proved.

研究了多比例延迟微分方程y=ay+by(q1t)+cy(q2t)的精确解的结构，探讨了初值问题解的唯一性和存在性。

The numerical solution of this kind of partial differential equation by the Boundary Element Method has been unable to be considered for the reason that the basic solution of this equation set has not been found.

由于至今尚未求得此方程组的基本解而无法考虑用边界元法对该种气体流动进行数值求解。

In order to determine the solution set of the equation , by the means of meet-irreducible element and irredundant finite meet-decomposition, we first obtain the maximal solutions to the simple equation in the case that b has an irredundant finite meet-decomposition, and then consider the relation between the equation and the equation , based on this, we obtain the maximal solutions to the equation in the case that each element of the matrix B has an irredundant finite meet-decomposition and so determine its solution set completely.

为了确定方程的解集，本文利用交既约元与不可缩短的有限交分解等工具，同样地先求出简单形式的型矩阵方程的所有极大解，然后讨论方程与方程之间的关系，在此基础上，在B的每个元素均有不可缩短的有限交分解的情况下，求出了方程的所有极大解，从而完全确定了方程的解集。

A 550kV SF6 circuit breaker has been taken as an example, the gas blast flow in no-load breaking process has been simulated, the results show that the basic solution of Euler equation set derived is correct, which lays the foundation for developing the Boundary Element Method of numerical solution for the time-dependent compressible flow of fluid.

作为数值模拟实例，文中对550kV SF6断路器空载开断过程中吹弧气体流动规律进行了数值模拟，其结果证明文中导出的基本解是正确的，从而为进一步开发求解非定常可压缩气体流动的边界元数值计算法奠定了基础。

At the early stage of the evolution, we use standard genetic algorithm to search global solution in solution space.

接着提出了一种基于混合遗传算法的层间交通模式下的电梯群控派梯算法。

We use the solution on the fine-grid space to improve the accuracy of the solution.

然后再对求得的解做一次误差修正，这使得差分解的精确度提高。

It can search the global optimal solution in solution space based on its search mechanism and randomness.

它借助搜索机制和随机性，能够搜索问题域的全局最优解，并且对噪声表现出很好的鲁棒性和自适应能力。

A chaos genetic algorithm was proposed to search the optimal solution in the whole feasible solution space.

提出了一种可在全部可行解空间寻求最优解的混沌遗传算法。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。