查询词典 closure operator

Research on development methods and application of CAD system of prac tical sheet metal expansion ;2. A frame expansion method of operator is used to the phase shift operator of split-step Fourier propagator.

针对裂步Fourier传播算子在速度强横向变化介质中的不足，将算子的框架展开方法应用于Fourier传播算子中的相移算子，提出了一种波场传播的局部裂步Fourier传播算子，并把它应用于波动方程叠前深度偏移成像。

Article 9 Where the branch established within China by an international ship agency operator or international ship management operator undertakes the relevant businesses, it shall meet the provisions of Articles 9 and 10 of the Shipping Regulations, and shall make registration in accordance with Articles 10 and 12 of the Shipping Regulations and Articles 7 and 8 of these implementation rules.

第九条 国际船舶代理经营者和国际船舶管理经营者在中国境内的分支机构经营相关业务的，应当符合《海运条例》第九条、第十一条的规定，并按照《海运条例》第十条、第十二条和本实施细则第七条、第八条的规定进行登记。

Symbol of operator is the function of operator acting on sine function.

算子作用于正弦波函数所得函数称为算子的象征。

In the fourth chapter,we discuss theapplication of the atomic decomposition theory to the vector-valued harmonicanalysis.We give the Hardy inequalities in the vector-valued martingale space,we also study the Mikhlin multiplier operator and singular integral operator in thevector-valued Hardy space.

第四章我们主要研究原子分解理论在向量值调和分析中的应用，建立了向量值鞅空间上的Hardy不等式，向量值Hardy空间上的Mikhlin乘子算子及一类奇异积分算子的有界性。

In constructing new solutions of Feigenbaum renor- malization group equation, it is important to know which operator commute s with the iterative operator,This paper presents a theorem about the structure of the ab.

本文揭示了与迭代算子对易的算子集合在构造Feigenbaum重整化群方程新解中的重要性。

In this paper we separate the Hamiltonian into three parts: a spherical symmetry Hamiltonian; a z-component of the angular momentum operator, and a non-spherical symmetric potential as the perturbation operator, and provide a propose method by separating the potential containing squared magnetic field B^2 into two parts spherical symmetric and non-spherical symmetric ones so that the first-order energy correction due to the non-spherical symmetric potential is zero, and the second-order correction due to B^2 can be obtained by a simple variational method.

采用变分法和微扰法相结合的方法，把高强度磁场中氢原子的哈密顿H分为三部分：球对称哈密顿；z分量角动量算符相应部分和非球对称势微扰，并用一种特别规定的分解法将哈密顿H中含磁场平方项的势能分解为球对称与非球对称两部分，且使非球对称部分引起的一级修正能量值为零，并采用一种简便的变分法直接求出B^2对能级的二级修正值。

Symmetric differential expression; product operator; self-adjoint operator

基础科学，数学，数学分析对称微分算式；积算子；自伴算子

Ask for opinion draft requirement, the operator of the shop on the net must have corporate organization, operator must be the legal person that passes department of industrial and commercial administration and tax authority registration book, and Wu of company business charter, duty is published to register license of card, special business, real company to run the address, message such as connection phone in lower part of website home page.

征求意见稿要求，网上商店的经营者必须具备法人资格，经营者必须是经过工商行政治理部门和税务机关登记注册的法人，且在网站首页下方刊登企业营业执照、税务登记证、非凡业务许可证、真实的企业经营地址、联系电话等信息。

One of the important classes is Pritchard-Salamon system with unbounded admissible input operator and output operator. Keulen[4]and Curtain[5] has finished excellent work, but they added smooth condition when they transform the solution of H∞-Control into solving two algebraic Riccati equations.

其中重要的一类是具容许无界输入和输出的Pritchard-Salamon系统，这方面已有Keulen[4]，Curtain[5]等人的工作，不过他们在将次最优H_∞-控制器存在问题转化为相应Riccati方程解的存在问题时附加了"光滑性条件"。

First, it is proved that for an uniformizable operator D, there exists an operator B such that AC=BD if C Ker D \subset Ker A.

首先证明对可单值化算子D，如果C Ker D \subset Ker A，则存在算子B使AC=BD。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。