查询词典 compactness

Let X be a Banach space and ψ an analytic self-map of D. We characterize the weak compactness of the composition operator C〓 on the vectorvalued Nevanlinna classes N and N〓.

给出了向量值解析函数空间N与N〓上的复合算子C〓的弱紧性的刻画，这里X是一个Banach空间。

In this paper,with the aid of the w~*- sequential compactness of bounded closed balls in the conjugate space of a separable space,we proved that the convex hull of a finite union of bounded closed balls in l~∞ is closed.

借助可分空间的共轭空间中有界闭球的弱星序列紧性，证明在无穷维数列空间l∞中有限个闭球之并的凸包仍为闭集

The constraint imposes a predefined level of consistent neighborhood development to promote contiguity and compactness of urban areas.

约束规定了预定义的邻里发展水平相一致，以促进连续性和市区紧。

Section two summarizes the existing approaches to modeling land use contiguity and compactness.

第二部分总结了土地用途连续性和紧凑性建模的现有方法。

We develop a framework, which serves as a basis for a new spatial constraint – Density Based Design Constraint – that encourages infill development based on contiguity and compactness principles.

我们开发了一个框架，作为一个新的空间约束的基础-基于密度的设计约束服务-鼓励发展的连续性和填充紧原则为基础。

By using the cone theory, t he existence and uniqueness of solution of nonlinear Fredholm type integral equations on an infinite interval can be obtained without the assumption of continuity and compactness condition.

利用锥理论，在不需要非线性项满足连续性和紧性条件下，获得无穷区间上Fredholm型积分方程解的存在唯一性，并给出逼近解迭序列的误差估计。

The major factors affecting the pickling rate are scale thickness, compactness, and the oxide structure, especially the amount and continuousness of hematite.

经归纳后发现影响锈皮酸洗难易度之内在因素主要有三：(1)锈皮厚度、(2)锈皮致密性、(3)锈皮组成，尤其是Fe2O3层的量及连续性。

This text gives a research on some certain convergence in locally convextopological space, and a discussion on compactness of the sequence andCauchy sequence.

然后，文中对某种确定的收敛下的局部凸拓扑空间进行了研究，并对序列的致密性， Cauchy列进行了探讨。

In the end of this text gives a description about the compactness of somecertain locally convex topological space with convergence and the completenessproblem.

某种确定的收敛下的局部凸拓扑空间以及凸拓扑下的紧性，完备性问题，在文章的最后给与了阐述。

O1 c compactness of the entropy equation; At last, coupling with Kinetic formulation, we can obtain the existence of a strong convergent sequence, then the limit function is just the entropy weak solution of the original systems.3. Existence of global entropy solutions to an inhomogeneous elastodynamics system.

o1 c紧性，最后结合Kinetic理论得到粘性解存在强收敛的子列，从而可得该极限函数即为原方程组的熵弱解。3、研究了一类非齐次弹性力学方程组整体熵解的存在性。

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。