查询词典 problem of fixed points

Let E be a full 4 degree Steiner topology (i.e. the topology of the tree which contains fixed points of degree 1 and moving points of degree 4) on the set V such that the set of topology H includes E and it′s degenerate cases.

设E为点集V上的满4度Steiner拓扑(满Steiner拓扑也就是满足固定点的度为1，可动点的度为4的树的拓扑)，H为包含E在内的所有E的退化拓扑的集合。

A simple form of the unstable manifold s for the fixed points not being on the boundary;2. Aim To study singular points, closed orbits, stable manifolds and unstable manifold s of a second order autonomous Birkhoff system.

目的研究二阶Birkhoff自治系统的奇点、闭轨、稳定流形与不稳定流形，方法用常1微分方程的定性方法进行研究，结果与结论给出二阶Birkhoff自治系统的奇点判据、闭轨判据、双曲平衡点判据，得到与其相关的平衡稳定性、稳定流形与不稳定流形等。

For the fixed energy, the zero points of wave function are not changed with the variation of regions, but the number of zero points will be increased, this shows the correctness of our approach.

对于给定的能量，波函数与坐标轴的交点位置不随区间的扩大而改变，仅仅是不断在扩展区间增加交点，这也验证了方法的正确性。

On three uncalibrated images matching, the trifocal tensor is used in correspondence of tree trunks, and the shelter points could be fixed by points transfer of the trifocal tensor.

为有效的解决树木遮挡的难题，提出采用三焦点张量进行点转移来计算对应点的技术路线。

The paper analyzes the shortage of traditional roadway measuring wind method,and by theoritical calculation of measurement,the wind amount is tested,and the roadway fixed central point method of wind measurement and the roadway s average wind velocity fixed-point method of wind measurement are proposed,and which solve the problem of low wind velocity and low credibility well.

分析传统井巷测风方法的不足，并通过风量测定的理论计算和对现场风量进行实际验证，提出了井巷中心点定点测风法和井巷平均风速点定点测风法，较好地解决了当前测定风速慢、可靠性差的问题。

The method uses an implicit iterative scheme with a hyperbolic sine transformation for the matrix potential, takes the advancing front self-adaptive grid, and resolves problem of too much account in calculation to dry earth's surface by fixed grid method. Results indicate that calculation speed is increased greatly and errors are less than by fixed grid method.

该方法使用了水土势双曲正弦变换的隐式差分格式，并采取了自动向下搜索的空间网格形式，解决了干燥地表固定网格计算量过大的问题，同时计算速度大大提高，计算误差小于固定网格法的误差值。

In chapter 4, we first discussed the existence of multiple positive solutions of the second order nonsingular Dirichlet boundary value problem for impulsive differential equations by using the fixed point index theorem in cones . Next, we presented some new existence results for singular boundary value problems for second order impulsive differential equations by using fixed point theorem in cones and Leray-Schauder nonlinear alternative theorem.

第四章我们首先利用锥不动点定理讨论了非奇异二阶脉冲微分方程狄利克莱边值问题多个正解的存在性；其次我们用锥不动点定理和Leray-Schauder型非线性抉择定理，讨论了奇异二阶脉冲微分方程狄利克莱边值问题一个及多个正解的存在性。

In order to settle the problem of adjusting the surface level of liquid in U type pipe, the author improves the liquid piezometer. The scoop type pipe is used instead of the U type pipe, and is fixed on a board with scale. And the detection head is fixed on the rail which can slide up and down.

为了解决液体压强计中U型管液面难以调平的问题，对该装置进行了改进，将U型管改为勺型管，并固定在有刻度的展示板上，同时将探头固定在可上下滑动的横杆上，使其可以沿着有刻度的金属杆移动。

Using the survey data of several indexes as well as field experimental data of soil hydrology of microbiotic crusts in artificial vegetation-fixed sand dunes in Shapotou area, the impacts of microbiotic crusts on soil hydrological processes which included the penetration, interception and evaporation processes of precipitation were examined, and their mechanisms were also studied. The security problem of vegetation-fixing system due to the changed soil water environment in fixed sand dune area was analyzed further.

本文在上面的立意下，我们对沙坡头人工植被固沙区对微生物结皮的若干指标进行了详细的调查和试验，并安排了一系列微生物结皮土壤水文过程试验，从不同的角度揭示了微生物结皮在降雨渗透、拦截和蒸发过程中的作用，及其对降水在沙丘土壤剖面中的水分分配过程和格局的影响，并进一步分析了微生物结皮对固沙区土壤水环境的影响和植被固沙体系的安全问题。

The investigative work in this text is divided into primarily three part: The first, pass the analysis before in to the car proceed four- wheeler fixed position examination process an instrument for using equipments with examine the method, find out its existent key problem; The second, the local four- wheeler positions the technical present condition now, aiming at some four- Wheelers fixed position parameter of the some familiar car type cant proceed the project that regulatory present condition put forward solution, and verify the possibility of the project; The third, for increases to manipulate and stabilize the function automotive, to in common use McPherson strut in car with control up and down the arm strut the excellent turning afresh.

本文研究的工作主要分为三部分：第一，通过剖析以前在对汽车进行四轮定位检测过程中所使用的仪器设备和检测方法，找出其存在的主要问题；第二，就目前国内四轮定位技术的现状，针对一些常见车型的某些四轮定位参数不能进行调整的现状提出解决的方案，并验证方案的可行性；第三，为了提高汽车的操纵及稳定性能，对汽车常用的麦弗逊悬架和上下控制臂悬架重新进行优化。

They have quite a lot of work to do.

他们有许多工作要做。

Let us give you a more elaborate example of this process.

让我们给你这个过程的更多的详细例子。