查询词典 divergence theorem

In section three, we mainly discuss the existence problemof rotation surfaces of given Gauss curvature function in H_1~3(-1) and give theposition vector field of the surfaces and obtain theorem one and theorem two.

第三节主要讨论了H_1~3(-1)中给定Gauss曲率函数的旋转曲面M的存在性问题并给出了这类旋转曲面的位置向量场，得到了定理1和定理2。

Gauss theorem in magnetic field and Ampere cycle theorem, Ampere law, action of magnetic field to current line, cycle and charge in which.

磁场中的高斯定理和安培环路定理；安培定律。磁场对载流导线和载流线圈及对运动电荷的作用。

Week 2 Gauss theorem in magnetic field and Ampere cycle theorem, Ampere law, action of magnetic field to current line, cycle and charge in which.

第2周 磁场中的高斯定理和安培环路定理；安培定律。磁场对载流导线和载流线圈及对运动电荷的作用。

The importance of Gauss theorem in electrostatics;the relation between electric flux and electric intensity; the notes of finding intensity of electric field by Gauss theorem ; the rules of choosing Gaussian plane and the relation between the intensity of electric field on Ganssian plane and space-charge.

高斯定理在静电学中的重要性，用高斯定理求电场强度注意的问题，取高斯面的原则及高斯面上的电场强度与空间电荷的关系。

Owing to Gauss' theorem and superposition theorem of electric field strength,the electric field can be calculated in two different ways.This article expounds concisely and percisely the points which deserve attention in applying the two ways separately and clears up some wrong views.

文摘：静电场的问题可以采用高斯定理和场强叠加原理这两种不同途径求解，本文讨论了采用这两种不同途径求解时分别应注意的事项，并澄清了一些错误的认识。

Owing to Gauss' theorem and superposition theorem of electric field strength,the electric field can be calculated in two different ways.This article expounds concisely and percisely the points which deserve attention in applying the two ways sep

文摘：静电场的问题可以采用高斯定理和场强叠加原理这两种不同途径求解，本文讨论了采用这两种不同途径求解时分别应注意的事项，并澄清了一些错误的认识。

Through the use of the Gauss theorem and the Ampere loop theorem to solute the Maxwell's equations, the mathematical expression of the PCB ground plane inductance is obtained, and then through the analyze of the current-driven mode radiation, the common-mode voltage expression of current-driven mode is got.

通过对共模辐射的模式化分析，得到电流驱动模式共模辐射的数学表达式。

In Chapter 3, we consider the semi-direct product AG, and analyze the decomposition in AG of idempotents of AH, and obtain a precise algebraic description; as a corollary, we show a criterion of the primitivity in AG of a primitive idempotent of AH, hence a theorem of Fong and a theorem of Green are generalized to an uniform setting.

考虑半直积AG，我们分析了AH的幂等元在AG中的分解模式，得到了一个准确的代数刻画；作为它的推论，给出了AH的本原幂等元在AG中仍然本原的判断准则，从而将Fong的定理和Green的定理推广到了一个统一的情形。

Part Ⅰ deals with the foundmental theory of variational technique in the lossy electromagnetic fields. In chapter two and three the Green theorem is introduced so the unified method to derive functional is given. Chapter four is devoted to discuss two type of inner product. In chapter five the generialized least function theorem is given and applied in the derivation of variational expressions.

第一篇主要是关于有耗电磁变分的基础理论，由四章组成，前二章引入了以Green定理为核心的边值问题理论，建立了电磁变分的普遍理论，第四章从对称的观点出发讨论了建立泛函的两种内积形式，第五章给出了一般电磁场的广义最小作用量原理，并用之解决变分问题。

In this chapter, firstly, the definition of rough semigroups is given afresh. Then based on rough groups, rough subgroups, rough cosets, rough invariant subgroups, some properties of rough subgroups and rough invariant subgroups and the concept of rough quotient groups are introduced. Finally, based on some concepts of homomorphism and isomorphism of rough groups, basic homomorphism theorem and isomorphism theorem of rough groups are put forward and proved.

在这一章中，首先重新给出了粗糙半群的定义，其次在粗糙群、粗糙子群、粗糙陪集、粗糙不变子群的基础上，给出了粗糙子群的若干性质、粗糙不变子群的三个重要性质和粗糙商群的定义，最后在粗糙群同态与同构的基础上，给出了粗糙群同态基本定理与同构定理。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。