不动

The existence of periodic solutions to the second order ordinary differential equation in Banach space is discussed.

本文利用半序理论，非紧性测度，凝聚映射的拓扑度，不动点定理及锥上不动点指数理论，讨论了Banach空间E中二阶常微分方程周期边值问题解的存在性，主要结果有一。

We study several fixed point problems of a class of nonlinear operator,and obtain some new results in partial order Banach space .

研究了一类非线性算子的几个不动点问题，在偏序Banach空间得到了若干新的结果作为其应用，得到了Wm ，q空间中不动点的存在性定理同时，所得的定理改进了一些文献中的主要结

This paper considered the existence of solutions to boundary value problem of several kinds of nonlinear sys...

本文利用锥理论，不动点理论，Krasnoselskii不动点定理等研究了两类奇异微分方程非线性边值问题解的情况，得到了一些新成果。

Thus there has been an increased interest in studying theexistence and multiplicity of periodic boundary value problem.

因而受到人们广泛的关注，发展和解决这类问题的一些有效的方法如Lyapunov泛函方法，不动点和范数形式的锥拉伸锥压缩不动点定理等。

This method is based on the work of reference [1]. By using the Riesz present theory in Hilbert space, we first transform the iterative procedure of variational inequalities into a fixed point form. Then, using the Schauder fixed point theory, we construct a numerical verification method with high efficiency that through numerical computation generates a bounded, closed, convex set in which the approximate solution is included.

通过Hilbert空间中的Riesz表示定理，首先将变分不等式问题的迭代过程转化为一种不动点形式，再利用Schauder不动点定理构造了一个高效率的数值证明过程，即通过数值计算产生一个包含近似解的有界闭凸子集。

The definition and stability criterion of resonant operating points in a CPT system have been described. A Poincarémapping model has been built up and its Jacobian matrix has been derived with the implicit function derivative rule and chain rule. Then the stability of the fixed points can be determined according to the eigenvalues of the the Jacobian matrix. It has been used to study an example push-pull CPT system with three resonant operating points.

文中给出了CPT系统中谐振点的定义及判断条件，建立了系统的庞加莱映射模型，并根据隐函数及复合函数求导法则，推导出了系统庞加莱映射周期不动点的雅可比矩阵，根据雅可比矩阵的特征值分布情况，即可判断各不动点的自治振荡稳定性。

By using generalized-weak commutativity mapping, the existence of common fixed point for this class of contractive type mappings is studied in complete metric space, a common fixed point theorem for contractive type mappings is obtained, which largely improve and extend the corresponding results in some references.

通过使用映象的广义弱交换条件，在完备度量空间中研究了更为广泛的一类压缩型映象的公共不动点的存在性，给出了一个新的公共不动点定理，从而在很大程度上改进和推广了现有文献中的一些结果。

By using the cone and partial ordering theory, it is studied that fixed point theorems non-monotone in Banach spaces, some new coupled fixed point theorems are abtained.

利用锥与半序理论，研究Banach空间不具有单调性的一类二元算子的不动点，得出了新的耦合不动点定理，是某些已有结果的改进和推广。

During the CTP process, the wafer or polishing pad is fixed and another component is translationally moving along a circular track with constant velocity.

圆平动研抛是工件或研抛盘之一固定不动，而另一构件以恒定的速率沿圆形轨迹做平动而实现的抛光过程。

We are trying to find a childhood can be when we run around in the eastern hemisphere, he was walking in the Western Hemisphere; when we are circling the Antarctic when he was playing in the Arctic ...... In short, it is a total contrast with our position in the flow, we do not move, it does not move, we take a step backwards, he would step forward, in any case, it will not meet with us.

我们努力寻找着童年，可当我们在东半球乱跑时，他却在西半球漫步；当我们在南极绕圈的时候，他却在北极嬉戏……总之，它总与我们在相反位置流动，我们不动，它也不动，我们向后走一步，他就向前走一步，不管怎样，就是不与我们相见。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。