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To easily form preconditional curvilinear paths within the trust region subproblem, we employ the stable Bunch-Parlett factorization method of symmetric matrices and use the unit lower triangular matrix as a preconditioner of the optimal path and modified gradient path.

使用对称矩阵的稳定Bunch-Parlett易于形成信赖域子问题的弧线路径，使用单位下三角矩阵作为最优路径和修正梯度路径的预条件因子。

The paper also discusses the geometric sizes of magnetic path and the choice of magnetic materials,and contrasts the test results from the magnetic field flux density of two kinds of magnetic path and har...

通过对比两种磁路结构的检波器，讨论了磁路的几何尺寸和磁性材料的选用，并比较了这两种磁路的磁通密度及谐波失真的测试结果，说明了在检波器磁路设计中，均匀磁场可以降低输出信号中的谐波失真

In this paper, the choice of route logistics, logistics and distribution path selection main consideration is the path optimization problem.

本文研究物流配送路径的选择问题，物流配送路径的选择问题主要考虑的是路径的优化问题。

If it avoids scattering over one mean free path, the odds favor scattering by the time it traverses another mean free path, and so on.

如果光子在一个平均自由路径中不被散射掉，它也会在第二个平均自由路径中或以后的平均自由路径中被散射掉。

The method fully utilizes the potentials of artifical neural network and fuzzy logic to solve dynamic path planning problem of mobile robot. The computer simulation experiment shows that the method has good path planning ability.

该方法充分挖掘了应用人工神经网络、模糊推理解决移动机器人动态路径规划的潜力，通过计算机仿真表明该控制方法具有良好的动态路径规划能力。

The uncertainty of travel time of road network is depicted by means of scenario union firstly,then a path finding modal applied minimax theorem is constructed for obtaining most reliable path of all scenarios.

该方法通过场景集描述网络旅行时间的不确定性，应用Minimax理论构建求解所有场景下可靠路径的数学模型，并设计了问题求解算法，分析了算法的时间复杂性，最后通过典型算例对算法进行了验证。

It is found that the upper limit of the operational frequency bandwidth along the short great circle path which crosses the south-polar, region is approximately in accord with the calculated MUF and the other one along the long great circle path which crosses the north- polar region is different from the calculated MUF.

结果表明，经过南极区的短大圆路径的通信频段上限与计算的MUF基本相符；经过北极的长大圆路径的通信频段上限与计算的MUF有偏差。

Long-path multiple: A seismic reflection whose travel path is much longer than required for a primary reflection from the deepest interface reached.

全程多次反射波：传播路径比来自最深界面的一次反射波路径长得多的地震反射波。

They will help you navigate the path of life but they are not the path itself.

他们将帮助您浏览生活的道路，但他们不是路径本身。

How to provide route to meet the driver's multiple psychological expectations is the key problem of navigation system. The essence of this problem is resource constrained shortest path problem, which belongs to NP-C problems and can not be solved with the traditional shortest path algorithm.

提供满足驾驶员多个心理期望的路径是导航系统该解决的关键问题，其本质是资源约束最短路径问题，属于NP难问题，无法使用传统的最短路径算法解决。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。