In this paper,we study the Friedrichs extension of the minimal operator of regular order differential operators in direct sum spaces by the basic theory of first-order systems of differential equation and their relationship to general n-th order quasi-differential expressions,and give the boundary conditions of Friedrichs extension.
应用一阶对称微分系统及相应的高阶微分方程的基本理论,讨论了正则型高阶微分算子的最小算子在直和空间上的Friedrichs扩张,给出Friedrichs扩张的边条件形式。
In this paper we investigate the characterization of self-adjoint domains of symmetric differential operators with interior singular points in the direct sum spaces.
本文研究了具有内部奇异点的，即直和空间上的对称微分算子自共轭域的辛几何刻划问题。
Secret sharing scheme based on vector space;
基于向量空间上的秘密共享方案
A fuzzy approach for Web service discovery based on vector spaces;
基于向量空间的W eb服务发现模糊方法
Research on the Individuation Search Engine Based on Vector Space;
一种基于向量空间模型的个性化搜索引擎研究
An analysis of the current controllability for an active power compensator with space vectors method;
利用空间向量方法分析有源补偿器的电流可控性
This paper presents a method for finding the solution of coordinate transformation based on space vector.
介绍一种利用空间向量求解坐标变换关系的方法，简化了传统的坐标系之间坐标变换关系求解的复杂计算，减小了采样误差对计算结果的影响。
Through studying the relationship between space vectors of different coordinate systems,a new model of three-dimensional datum transformation is proposed.
从空间几何角度出发,利用空间向量的关系研究坐标转换,提出一种新的三维基准转换模型。
In this article uses the space coordinates and the spatial vector "three perpendicular line theorems" promotes the three-dimensional geometry in to the space analytic geometry in,and proved.
本文中利用空间坐标和空间向量把立体几何中的"三垂线定理"推广到空间解析几何中,并证明。
Compared to the old materials from the 1~(st) curriculum reform, the new one has made great changes in the solid geometry aspect, with the utilization of spatial vector as the focus.
相比一期课改教材,新教材在立体几何方面有了较大的改动,其中引人关注的一点是在空间向量的运用上。
The Symplectic Geometry Characterization of Seif-Adjoint Domains of Symmetric Differential Operators in Direct Sum Spaces;
直和空间上对称微分算子自共轭域的辛几何刻划
Symplectic Geometry Characterization of Self-Adjoint Domains for Symmetric Differential Operators in Direct Sum Spaces(Ⅱ)
直和空间上对称微分算子自共轭域的辛几何刻画(Ⅱ)
ON THE SINGLE FARTHEST POINTS FOR WEAKLY COMPACT SET IN INFINITE DIRECT SUMS SPACES E(χ)
关于无限直和空间E(χ)中弱紧集上的单值远达点
On intuitionistic fuzzy inner product spaces and intuitionistic fuzzy co-inner product spaces
直觉模糊内积空间和直觉模糊余内积空间
The Properties of Sorgenfrey Line and R Real Line in General Topological Space;
Sorgenfrey直线和R实直线拓扑空间的性质
air and outer space
空气空间和外层空间
a gallery quite often is added to make use of space vertically as well as horizontally.
画廊常常要附加利用垂直的和水平的空间。
The Straight Sum Decomposition of Linear Space under a Linear Transformation Polynomial
线性空间在一类线性变换多项式下的直和分解
α-Bloch Spaces and Weighted Lipschitz Spaces;
α-Bloch空间和加权Lipschitz空间
When this tensor vanishes, the space is calleda flat.
当这一张量为零时，空间叫做平直空间。
There was hardly any free time.
简直没有什麽空闲时间.
universal space rectangular coordinate system
宇宙空间直角坐标系
direct access device space management
直接存取设备空间管理
the shortest distance between two points is a straight line.
空间两条直线的位置。
We can see from here, although there is not direct connection between painting space and educational space, but there are indirect , inevitable connections.
从这里我们可以看到,绘画空间和教育空间虽没有直接的联系,但却有着间接的、必然的联系。
Some Inequalities for Sums and Direct Sums of Noncommutative L~p(М;τ) Spaces Operators
非交换L~P(Μ;τ)空间中有关连加和及直和的一些不等式
Electrical and magnetic vibrations at right angles to each other which move together in space.
在空间一起移动的电和磁的振荡,这二种振荡彼此成直角。
have used the term to describe movement of goods and people between Earth and outer space.
就一直使用这个词来描述地球和外太空之间货物与人的传输。