查询词典 moment method

Then the propagation of an arbitrary nonideal optical beam is analyzed. In terms of the moment theorem, the performance of modes of BOR is analyzed from both points of view of geometry optics and diffractive optics. Comparing BOR with the resonators using plane mirror and spherical mirror or using plane mirror and aspherical mirror by finite element method, the design procedure for BOR is gave.

然后以衍射的角谱理论为基础，用矩量定理讨论了任意光束的传播规律，从几何光学和衍射光学的角度完整地分析了二元光学谐振腔的模式特征，用有限元方法数值对二元光学谐振腔、非球面腔和球面腔进行衍射分析，比较了三种腔型的差异，给出了二元光学谐振腔的设计方法。

Case analysis indicates that, the statistical moment method with multi-point estimate mathod is not only brief but also accurate, so it can be widely applied in projects.

实例分析表明，采用多点概率估计的统计矩法是一种简便而不失精度的可靠度计算和概率分析的方法，适合工程实际应用。

Therefore, basic methodologies for stochastic seismic and filtering responses of nonlinear structure are studied, the approximate solution methodologies and their practical applications are investigated in the dissertation employing equivalent linearization and moment equations method based on FPK equations and Ito stochastic differential equations. The research works are mainly concerned with the following aspects:Firstly, the differential expression of bilinear hysteretic is studied and a new differential expression is developed, then they are demonstrated.

因此，本文基于FPK方程和伊藤随机微分方程，研究了滞后结构物的随机地震反应和随机滤波问题的基本方法，并利用等效线性化法和矩方程法，研究了非线性结构随机地震反应分析和随机滤波分析的近似解法及它们的工程应用。

This paper improves the mass moment substitution method for shaking force complete balancing of planar linkage.

改进了建立平面机构摆动力完全平衡条件的质量矩替代法。

Both the offset and tilted fedcoupling-slot array between the curved guide and sectoral guides and longitudinal radiating-slot array on sectoral guide are analyzed by moment method, taking into account of the effects of finite wall thickness and mutual coupling between the slots, employing the acceleration algorithms to accelerate the summation of slowly convergent series of the self-admittance of the waveguide-slot aperture, and introducing the surface Fock functions to simplify the computation of the self-and mutual coupling of the slots on the surface of cylinder.

采用矩量法分别分析弯波导与扇面波导间偏置倾斜馈电耦合缝阵和扇面波导轴向辐射缝面阵，其中计及有限波导壁厚及缝间互耦的影响，运用级数加速算法对波导中自导纳矩阵元级数进行加速处理，并引入表面Fock函数简化圆柱面上缝口面的自耦和互耦的计算。

The method of moment is often effectively used for solving electromagnetic scattering problems. This problem, however, involves a dense system of linear equations.

矩量法是一种常运用于计算电磁散射问题的有效方法，计算电磁散射问题就涉及到一个稠密矩阵的计算问题。

With a clear understanding of theory and large numbers of facts, this article analysis the following problems by the view and method called materialist dialectics. First, the concept of information ethics is established when the moment people's life style begins to change in Information Age, with understanding of both the basic principle of moral life and moral problems existing in our society and have knowledge scope range from social practice to abstract theory. Second, the essence and forming rules of information ethics is revealed with the help of studying some basic questions and debating some characteristics from the philosophy point of view. Third, the further analysis of the system formula and social function is founded on debating the theory, which forms the system from the ethics point of view.

本文在梳理理论文献和掌握大量实证材料的基础上，以唯物辩证法的观点和方法为指导，对以下问题进行了分析和讨论：一、从信息时代人们生存方式的变迁入手，明确社会道德生活的基本要求，在认清信息社会存在的道德问题的基础上，从社会实践到理论抽象，确立了信息伦理观念；二、从哲学的角度出发，研究信息伦理生成的基本理论问题，在厘定相关概念的基础上，讨论了信息伦理的特点，揭示了信息伦理的本质及其生成规律；三、从伦理学的角度出发，在讨论构建信息伦理体系的理论依据的基础上，进一步分析了信息伦理的体系结构和社会功能；四、从社会实践的角度出发，研究信息伦理在信息传播过程中的应用问题，从理论回到实践，提出了较为系统的信息伦理原则和信息道德规范。

So, this is my method, perfected from years of dumpling experimentation: Put the dumpling on your spoon. Delicately, bite off the top-knot of the dumpling. You should have bitten off just enough to let the steam - but not the broth - out. Wait a moment.

从多年的吃饺子经验中得出：把饺子放在汤勺里，咬掉饺子的顶部，您应该已经咬掉足以让蒸汽发出来的口了，但不是让肉汤溜出去。

The torsional moment of transmission shaft and power of electric motor are reduced by the method.

此方法可降低传动轴上所受的扭矩，减少了电动机的功率。

Methods According to vibration theor y the relationship between the period of a torsional pendulum and the moment of inertia of a part is established and the test method is given.

根据振动理论建立了零部件单摆振动周期和转动惯量的关系，给出了实际测量方法。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。