查询词典 function field

On the basis of Muskhelishvili's complex function theory, an auxiliary field of mixedmode crack was accomplished, and then using Betti's reciprocal work theorem, a path independent contour integral method for stress intensity factors of mixed-mode crack was obtained.

本文用复变函数理论推导出裂纹的辅助场，并用Betti功互等定理给出求解混合型裂纹应力强度因子的远场围绕积分法。

Under the visual field of Marxism, the practical function of ideology embodies as a counteraction to economic basis.

在马克思主义的视野里，意识形态的实践性就体现为对经济基础的反作用关系上。

The paper introduced an application of geography information system, namely apply geography information system in the industry and business administration field, establishment of this system, provide various space information for space search , covariance analyze and function satisfy an actual work in various with geography position related business demand, then raise a work efficiency.

通过这个系统的建立，为工商部门提供各种空间信息标注、空间查询和统计分析功能，满足实际工作中与地理位置相关的各种业务需要，进而提高工作效率。

This project derives a general express of experiential covariance function, which is the basis of achivement of interpolation, extrapolation and continuation of local gravity field variables and estimation theirs at different heights.

提出局部重力场元经验协方差函数的通用表达方法，为实现局部重力场元的内插、外推、延拓或其他不同高度的重力场元估计一体化奠定理论基础。

Using finite field theory, number theory, combination mathematics, etc., we investigate deeply linear complexity on stream cipher and its stability theory, cryptographical characteristic of nonlinear combination function.

运用有限域理论、数论、组合数学等方法，对流密码的线性复杂度及其稳定性理论，非线性组合函数的密码学特性等进行了深入的研究和探索。

Firstly, variables which were acquired for the above two kinds of classification system were obtained from field and laboratory investigation of the core samples as well as test of supersonic waves in drilling holes. Secondly, distribution functions and parameters of all variables are determined using statistic method. Thirdly, 20000 RMR values or BQ values and cumulative distribution function of these RMR or BQ values have been obtained utilizing Monte—Carlo method and the results are plotted. Finally, risk analysis can be made from above results.

风险评价方法步骤如下：（1）首先通过岩芯样品的现场观测和实验室试验及钻孔岩体超声波测试获得两种分类所需的变量；（2）通过统计分析和判断得出各变量的分布函数及参数；（3）运用Monte—Carlo模拟方法获得2万个RMR值或BQ值及相应的累积分布函数，并将结果绘成岩体质量描述图；（4）运用以上结果作出岩体质量风险分析。

Some uniform formulae are established, which link the Laplacian of the position vector function to the mean curvature vector field on any submanifold in the space forms.

讨论空间型中的位置向量场，建立一组统一的公式，将子流形的平均曲率向量场与位置向量及其衍生函数的Laplacian联系在一起。

First, a generalized spectral-domain Greens function defining the field inside a multilayer dielectric structure is derived.

本文主要采用谱域矩量法对多层介质微带阵列的辐射特性和交叉极化特性进行分析。

In a this tube pair of deflection plate, besides demonstration electron under electric field role deflection movement, but also played causes the beam convergence the function, if causes two deflection plates the electric potentials to be lower than the acceleration extremely electric potential approximately 30 volts, then the focusing condition is best.

该管内的一对偏转板，除了演示电子在电场作用下的偏转运动外，还起了使电子束会聚的作用，如使两偏转板的电位低于加速极电势约30伏，则聚焦状态最佳。

Based on the function and reliability, the design principle for thepermanent magnetic bearing in rotating machine is put forward. FailureMode Effect and Criticality Analysis is studied for thepermanent magnetic bearing, and corresponding designs for magneticbearing are made to enhance the reliability. In addition, the main failuremode and failure causes are found by FMECA, it is found that theadditional alternate magnetic field within the machine causing thepermanent magnet to demagnetize is the main failure mode of thepermanent magnetic bearing in rotating machine.

本文提出了基于功能和可靠性的旋转机械永磁轴承的设计原理，对旋转机械永磁轴承进行了失效模式影响及危害度分析，并相应地提出可靠性设计措施，以提高永磁轴承的可靠性，同时通过FMECA找出了影响永磁轴承可靠性的主要失效模式及失效因素。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。