查询词典 compactification theorem

Theorem 2 If has continuous partial derivatives at , then is differentiable at .

定理2如果函数在点的偏导数连续，则函数在该点可微分。

The mid-value theorems is the core of differential calculus theorem, the important tool of function, attention.

微分中值定理是微分学的核心定理，研究函数的重要工具，历来受到重视。

Differential scattering field of vertical incident Gaussian beam from a two-dimensional target near a plane interface is studied by means of a new hybrid method based on the reciprocity theorem, the image theory and the method of moment.

基于矩量法、互易性定理及镜像理论，提出了一种新的混合方法用于研究水平分界面上方二维介质目标对垂直入射高斯波束的差值散射场。

In mathematics, Chinese scholars have achieved important results in fields such as number theory, theorem-proving by computer, differential geometry, topology, complex analysis, probability and mathematical statistics, PDE, functional analysis, numerical analysis and control theory and so on.

在数学方面，据我所知，中国数学家在诸如数论、定理机器证明、微分几何、拓扑学、复分析、概率论与数理统计、偏微分方程、泛函分析、数值分析和控制论等领域里也都取得了具有国际水平的成果。

Differential Calculus: limits and continuity; derivatives; techniques of differentiation; mean value theorem; higher derivatives; maxima and minima; curve sketching.

微分学：极限与续性、导、微分的方法、值定理、阶导数、值、绘曲线。

Basic concept of Dimension and ∏ theorem and principle of homogeneity on dimensional analysis are introduced in this paper.

主要介绍了量纲的基本概念、量纲分析的∏定理及齐次性原则，用两个实例解释了量纲分析在物理中的应用，最后指出了用量纲分析问题时应注意的问题和存在的不

This article is applying the second theorem of dimension to dimensionless the different potential function of Schrodinger equation.

量纲Ⅱ定理是物理学中处理量纲问题的一个重要定理，应用量纲Ⅱ定理对不同势函数薛定谔方程无量纲化。

The π theorem for dimension analysis is complemented and consummated by themathematical methods on the basis of basic concept and means.

同时，本文对因次分析π定理有关在燃烧学中应用问题，作了简单的论述。

Connected topological manifolds have a well-defined dimension; this is a theorem rather than anything a priori .

连接拓扑流形的具有明确的层面，这是一个定理，而不是任何先验。

At the end of this Chapter, we prove several nonexistent theorems for proper slant immersions, which also generalizes Chen and Tazawas theorem of higher dimension.

本章中我们还证明了几个真Slant浸入的不存在性定理，它是Chen和Tazawa定理在高维中的推广。

My father is over 60 years old, and he lifts weights every day.

我爸爸六十多岁了，他每天都练习举重。

Then in a serious tone she declared:"It doesn't pay, dear boy, to look like a ninny with one's wife the first night."

两眼湿润了，她把身子蜷得很小，这样似乎可以更好地闻闻自己。